Home / 639,738,035.30-959,607,052.95-536,425,904.90

Finding the Fourth Proportional to 639,738,035.30, 959,607,052.95 and 536,425,904.90

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Solution

The fourth proportional to 639,738,035.30, 959,607,052.95 and 536,425,904.90 is: 804,638,857.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,738,035.30 : 959,607,052.95 = 536,425,904.90 : x
  2. Step 2: Convert to fraction form
    639,738,035.30/959,607,052.95 = 536,425,904.90/x
  3. Step 3: Cross multiply
    639,738,035.30x = 959,607,052.95 × 536,425,904.90
  4. Step 4: Simplify right side
    639,738,035.30x = 514,758,081,727,125,952
  5. Step 5: Solve for x
    x = 514,758,081,727,125,952/639,738,035.30
  6. Step 6: Final answer
    x = 804,638,857.35

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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.