Home / 476,931,472.20-715,397,208.30-400,403,968.20

Finding the Fourth Proportional to 476,931,472.20, 715,397,208.30 and 400,403,968.20

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Solution

The fourth proportional to 476,931,472.20, 715,397,208.30 and 400,403,968.20 is: 600,605,952.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,931,472.20 : 715,397,208.30 = 400,403,968.20 : x
  2. Step 2: Convert to fraction form
    476,931,472.20/715,397,208.30 = 400,403,968.20/x
  3. Step 3: Cross multiply
    476,931,472.20x = 715,397,208.30 × 400,403,968.20
  4. Step 4: Simplify right side
    476,931,472.20x = 286,447,881,042,521,952
  5. Step 5: Solve for x
    x = 286,447,881,042,521,952/476,931,472.20
  6. Step 6: Final answer
    x = 600,605,952.30

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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.