Home / 626,715,127.20-940,072,690.80-573,145,874.40

Finding the Fourth Proportional to 626,715,127.20, 940,072,690.80 and 573,145,874.40

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Solution

The fourth proportional to 626,715,127.20, 940,072,690.80 and 573,145,874.40 is: 859,718,811.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,715,127.20 : 940,072,690.80 = 573,145,874.40 : x
  2. Step 2: Convert to fraction form
    626,715,127.20/940,072,690.80 = 573,145,874.40/x
  3. Step 3: Cross multiply
    626,715,127.20x = 940,072,690.80 × 573,145,874.40
  4. Step 4: Simplify right side
    626,715,127.20x = 538,798,784,368,126,784
  5. Step 5: Solve for x
    x = 538,798,784,368,126,784/626,715,127.20
  6. Step 6: Final answer
    x = 859,718,811.60

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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.