Home / 921,753,690.04-1,272,118,669.66-564,758,385.55

Finding the Fourth Proportional to 921,753,690.04, 1,272,118,669.66 and 564,758,385.55

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Solution

The fourth proportional to 921,753,690.04, 1,272,118,669.66 and 564,758,385.55 is: 779,426,970.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,753,690.04 : 1,272,118,669.66 = 564,758,385.55 : x
  2. Step 2: Convert to fraction form
    921,753,690.04/1,272,118,669.66 = 564,758,385.55/x
  3. Step 3: Cross multiply
    921,753,690.04x = 1,272,118,669.66 × 564,758,385.55
  4. Step 4: Simplify right side
    921,753,690.04x = 718,439,686,102,692,864
  5. Step 5: Solve for x
    x = 718,439,686,102,692,864/921,753,690.04
  6. Step 6: Final answer
    x = 779,426,970.43

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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.