Home / 1,088,001,183.78-1,631,842,331.22-535,155,216.12

Finding the Fourth Proportional to 1,088,001,183.78, 1,631,842,331.22 and 535,155,216.12

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Solution

The fourth proportional to 1,088,001,183.78, 1,631,842,331.22 and 535,155,216.12 is: 802,654,398.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,001,183.78 : 1,631,842,331.22 = 535,155,216.12 : x
  2. Step 2: Convert to fraction form
    1,088,001,183.78/1,631,842,331.22 = 535,155,216.12/x
  3. Step 3: Cross multiply
    1,088,001,183.78x = 1,631,842,331.22 × 535,155,216.12
  4. Step 4: Simplify right side
    1,088,001,183.78x = 873,288,935,437,803,776
  5. Step 5: Solve for x
    x = 873,288,935,437,803,776/1,088,001,183.78
  6. Step 6: Final answer
    x = 802,654,398.23

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Double scale
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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.