Home / 584,407,508.19-806,482,796.11-316,485,420.45

Finding the Fourth Proportional to 584,407,508.19, 806,482,796.11 and 316,485,420.45

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Solution

The fourth proportional to 584,407,508.19, 806,482,796.11 and 316,485,420.45 is: 436,750,115.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,407,508.19 : 806,482,796.11 = 316,485,420.45 : x
  2. Step 2: Convert to fraction form
    584,407,508.19/806,482,796.11 = 316,485,420.45/x
  3. Step 3: Cross multiply
    584,407,508.19x = 806,482,796.11 × 316,485,420.45
  4. Step 4: Simplify right side
    584,407,508.19x = 255,240,046,812,564,960
  5. Step 5: Solve for x
    x = 255,240,046,812,564,960/584,407,508.19
  6. Step 6: Final answer
    x = 436,750,115.69

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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.