Home / 476,953,670.20-715,430,505.30-258,708,566.20

Finding the Fourth Proportional to 476,953,670.20, 715,430,505.30 and 258,708,566.20

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Solution

The fourth proportional to 476,953,670.20, 715,430,505.30 and 258,708,566.20 is: 388,062,849.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,953,670.20 : 715,430,505.30 = 258,708,566.20 : x
  2. Step 2: Convert to fraction form
    476,953,670.20/715,430,505.30 = 258,708,566.20/x
  3. Step 3: Cross multiply
    476,953,670.20x = 715,430,505.30 × 258,708,566.20
  4. Step 4: Simplify right side
    476,953,670.20x = 185,088,000,241,904,480
  5. Step 5: Solve for x
    x = 185,088,000,241,904,480/476,953,670.20
  6. Step 6: Final answer
    x = 388,062,849.30

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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.