Home / 521,982,317.34-782,484,287.85-176,694,325.02

Finding the Fourth Proportional to 521,982,317.34, 782,484,287.85 and 176,694,325.02

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Solution

The fourth proportional to 521,982,317.34, 782,484,287.85 and 176,694,325.02 is: 264,875,894.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,982,317.34 : 782,484,287.85 = 176,694,325.02 : x
  2. Step 2: Convert to fraction form
    521,982,317.34/782,484,287.85 = 176,694,325.02/x
  3. Step 3: Cross multiply
    521,982,317.34x = 782,484,287.85 × 176,694,325.02
  4. Step 4: Simplify right side
    521,982,317.34x = 138,260,533,080,411,152
  5. Step 5: Solve for x
    x = 138,260,533,080,411,152/521,982,317.34
  6. Step 6: Final answer
    x = 264,875,894.24

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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.