Home / 880,534,199.17-1,321,163,349.72-388,988,044.93

Finding the Fourth Proportional to 880,534,199.17, 1,321,163,349.72 and 388,988,044.93

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Solution

The fourth proportional to 880,534,199.17, 1,321,163,349.72 and 388,988,044.93 is: 583,642,008.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,534,199.17 : 1,321,163,349.72 = 388,988,044.93 : x
  2. Step 2: Convert to fraction form
    880,534,199.17/1,321,163,349.72 = 388,988,044.93/x
  3. Step 3: Cross multiply
    880,534,199.17x = 1,321,163,349.72 × 388,988,044.93
  4. Step 4: Simplify right side
    880,534,199.17x = 513,916,748,440,752,704
  5. Step 5: Solve for x
    x = 513,916,748,440,752,704/880,534,199.17
  6. Step 6: Final answer
    x = 583,642,008.37

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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.