Home / 1,116,462,516.30-1,674,693,774.45-749,130,497.10

Finding the Fourth Proportional to 1,116,462,516.30, 1,674,693,774.45 and 749,130,497.10

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Solution

The fourth proportional to 1,116,462,516.30, 1,674,693,774.45 and 749,130,497.10 is: 1,123,695,745.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,462,516.30 : 1,674,693,774.45 = 749,130,497.10 : x
  2. Step 2: Convert to fraction form
    1,116,462,516.30/1,674,693,774.45 = 749,130,497.10/x
  3. Step 3: Cross multiply
    1,116,462,516.30x = 1,674,693,774.45 × 749,130,497.10
  4. Step 4: Simplify right side
    1,116,462,516.30x = 1,254,564,179,744,003,840
  5. Step 5: Solve for x
    x = 1,254,564,179,744,003,840/1,116,462,516.30
  6. Step 6: Final answer
    x = 1,123,695,745.65

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Half scale
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Double scale
Find fourth proportional to 1,116,462,517.30, 1,674,693,775.95 and 749,130,498.10
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.