Home / 489,672,574.40-732,808,250.40-336,617,566.40

Finding the Fourth Proportional to 489,672,574.40, 732,808,250.40 and 336,617,566.40

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Solution

The fourth proportional to 489,672,574.40, 732,808,250.40 and 336,617,566.40 is: 503,757,291.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,672,574.40 : 732,808,250.40 = 336,617,566.40 : x
  2. Step 2: Convert to fraction form
    489,672,574.40/732,808,250.40 = 336,617,566.40/x
  3. Step 3: Cross multiply
    489,672,574.40x = 732,808,250.40 × 336,617,566.40
  4. Step 4: Simplify right side
    489,672,574.40x = 246,676,129,887,489,792
  5. Step 5: Solve for x
    x = 246,676,129,887,489,792/489,672,574.40
  6. Step 6: Final answer
    x = 503,757,291.68

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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.