Home / 862,183,032.92-1,189,813,061.92-465,706,020.16

Finding the Fourth Proportional to 862,183,032.92, 1,189,813,061.92 and 465,706,020.16

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Solution

The fourth proportional to 862,183,032.92, 1,189,813,061.92 and 465,706,020.16 is: 642,674,565.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,183,032.92 : 1,189,813,061.92 = 465,706,020.16 : x
  2. Step 2: Convert to fraction form
    862,183,032.92/1,189,813,061.92 = 465,706,020.16/x
  3. Step 3: Cross multiply
    862,183,032.92x = 1,189,813,061.92 × 465,706,020.16
  4. Step 4: Simplify right side
    862,183,032.92x = 554,103,105,801,146,944
  5. Step 5: Solve for x
    x = 554,103,105,801,146,944/862,183,032.92
  6. Step 6: Final answer
    x = 642,674,565.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.