Home / 1,001,010,384.30-1,501,515,576.45-571,028,688.30

Finding the Fourth Proportional to 1,001,010,384.30, 1,501,515,576.45 and 571,028,688.30

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Solution

The fourth proportional to 1,001,010,384.30, 1,501,515,576.45 and 571,028,688.30 is: 856,543,032.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,010,384.30 : 1,501,515,576.45 = 571,028,688.30 : x
  2. Step 2: Convert to fraction form
    1,001,010,384.30/1,501,515,576.45 = 571,028,688.30/x
  3. Step 3: Cross multiply
    1,001,010,384.30x = 1,501,515,576.45 × 571,028,688.30
  4. Step 4: Simplify right side
    1,001,010,384.30x = 857,408,470,082,261,888
  5. Step 5: Solve for x
    x = 857,408,470,082,261,888/1,001,010,384.30
  6. Step 6: Final answer
    x = 856,543,032.45

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Half scale
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Double scale
Find fourth proportional to 1,001,010,385.30, 1,501,515,577.95 and 571,028,689.30
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.