Home / 872,888,590.44-1,309,578,529.50-381,645,000.36

Finding the Fourth Proportional to 872,888,590.44, 1,309,578,529.50 and 381,645,000.36

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Solution

The fourth proportional to 872,888,590.44, 1,309,578,529.50 and 381,645,000.36 is: 572,574,901.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,888,590.44 : 1,309,578,529.50 = 381,645,000.36 : x
  2. Step 2: Convert to fraction form
    872,888,590.44/1,309,578,529.50 = 381,645,000.36/x
  3. Step 3: Cross multiply
    872,888,590.44x = 1,309,578,529.50 × 381,645,000.36
  4. Step 4: Simplify right side
    872,888,590.44x = 499,794,098,362,475,776
  5. Step 5: Solve for x
    x = 499,794,098,362,475,776/872,888,590.44
  6. Step 6: Final answer
    x = 572,574,901.12

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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.