Home / 971,385,700.89-1,457,180,620.00-316,387,731.58

Finding the Fourth Proportional to 971,385,700.89, 1,457,180,620.00 and 316,387,731.58

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Solution

The fourth proportional to 971,385,700.89, 1,457,180,620.00 and 316,387,731.58 is: 474,614,841.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,385,700.89 : 1,457,180,620.00 = 316,387,731.58 : x
  2. Step 2: Convert to fraction form
    971,385,700.89/1,457,180,620.00 = 316,387,731.58/x
  3. Step 3: Cross multiply
    971,385,700.89x = 1,457,180,620.00 × 316,387,731.58
  4. Step 4: Simplify right side
    971,385,700.89x = 461,034,070,859,704,000
  5. Step 5: Solve for x
    x = 461,034,070,859,704,000/971,385,700.89
  6. Step 6: Final answer
    x = 474,614,841.91

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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.