Home / 927,345,598.56-1,279,709,869.68-530,855,445.60

Finding the Fourth Proportional to 927,345,598.56, 1,279,709,869.68 and 530,855,445.60

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Solution

The fourth proportional to 927,345,598.56, 1,279,709,869.68 and 530,855,445.60 is: 732,565,026.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,345,598.56 : 1,279,709,869.68 = 530,855,445.60 : x
  2. Step 2: Convert to fraction form
    927,345,598.56/1,279,709,869.68 = 530,855,445.60/x
  3. Step 3: Cross multiply
    927,345,598.56x = 1,279,709,869.68 × 530,855,445.60
  4. Step 4: Simplify right side
    927,345,598.56x = 679,340,953,107,694,336
  5. Step 5: Solve for x
    x = 679,340,953,107,694,336/927,345,598.56
  6. Step 6: Final answer
    x = 732,565,026.63

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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.