Home / 1,130,123,430.10-1,695,185,145.15-824,013,414.10

Finding the Fourth Proportional to 1,130,123,430.10, 1,695,185,145.15 and 824,013,414.10

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Solution

The fourth proportional to 1,130,123,430.10, 1,695,185,145.15 and 824,013,414.10 is: 1,236,020,121.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,123,430.10 : 1,695,185,145.15 = 824,013,414.10 : x
  2. Step 2: Convert to fraction form
    1,130,123,430.10/1,695,185,145.15 = 824,013,414.10/x
  3. Step 3: Cross multiply
    1,130,123,430.10x = 1,695,185,145.15 × 824,013,414.10
  4. Step 4: Simplify right side
    1,130,123,430.10x = 1,396,855,298,986,655,744
  5. Step 5: Solve for x
    x = 1,396,855,298,986,655,744/1,130,123,430.10
  6. Step 6: Final answer
    x = 1,236,020,121.15

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Half scale
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Double scale
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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.