Home / 921,753,692.04-1,272,118,672.42-564,758,387.54

Finding the Fourth Proportional to 921,753,692.04, 1,272,118,672.42 and 564,758,387.54

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Solution

The fourth proportional to 921,753,692.04, 1,272,118,672.42 and 564,758,387.54 is: 779,426,973.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,753,692.04 : 1,272,118,672.42 = 564,758,387.54 : x
  2. Step 2: Convert to fraction form
    921,753,692.04/1,272,118,672.42 = 564,758,387.54/x
  3. Step 3: Cross multiply
    921,753,692.04x = 1,272,118,672.42 × 564,758,387.54
  4. Step 4: Simplify right side
    921,753,692.04x = 718,439,690,195,444,608
  5. Step 5: Solve for x
    x = 718,439,690,195,444,608/921,753,692.04
  6. Step 6: Final answer
    x = 779,426,973.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.