Home / 624,133,624.32-861,310,730.88-376,567,142.40

Finding the Fourth Proportional to 624,133,624.32, 861,310,730.88 and 376,567,142.40

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Solution

The fourth proportional to 624,133,624.32, 861,310,730.88 and 376,567,142.40 is: 519,666,475.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,133,624.32 : 861,310,730.88 = 376,567,142.40 : x
  2. Step 2: Convert to fraction form
    624,133,624.32/861,310,730.88 = 376,567,142.40/x
  3. Step 3: Cross multiply
    624,133,624.32x = 861,310,730.88 × 376,567,142.40
  4. Step 4: Simplify right side
    624,133,624.32x = 324,341,320,645,937,024
  5. Step 5: Solve for x
    x = 324,341,320,645,937,024/624,133,624.32
  6. Step 6: Final answer
    x = 519,666,475.27

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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.