Home / 409,688,315.10-614,532,472.65-402,885,870.30

Finding the Fourth Proportional to 409,688,315.10, 614,532,472.65 and 402,885,870.30

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Solution

The fourth proportional to 409,688,315.10, 614,532,472.65 and 402,885,870.30 is: 604,328,805.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,688,315.10 : 614,532,472.65 = 402,885,870.30 : x
  2. Step 2: Convert to fraction form
    409,688,315.10/614,532,472.65 = 402,885,870.30/x
  3. Step 3: Cross multiply
    409,688,315.10x = 614,532,472.65 × 402,885,870.30
  4. Step 4: Simplify right side
    409,688,315.10x = 247,586,450,071,206,208
  5. Step 5: Solve for x
    x = 247,586,450,071,206,208/409,688,315.10
  6. Step 6: Final answer
    x = 604,328,805.45

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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.