Home / 747,759,972.30-1,120,637,355.78-581,963,675.64

Finding the Fourth Proportional to 747,759,972.30, 1,120,637,355.78 and 581,963,675.64

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Solution

The fourth proportional to 747,759,972.30, 1,120,637,355.78 and 581,963,675.64 is: 872,165,211.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,759,972.30 : 1,120,637,355.78 = 581,963,675.64 : x
  2. Step 2: Convert to fraction form
    747,759,972.30/1,120,637,355.78 = 581,963,675.64/x
  3. Step 3: Cross multiply
    747,759,972.30x = 1,120,637,355.78 × 581,963,675.64
  4. Step 4: Simplify right side
    747,759,972.30x = 652,170,234,629,219,200
  5. Step 5: Solve for x
    x = 652,170,234,629,219,200/747,759,972.30
  6. Step 6: Final answer
    x = 872,165,211.82

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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.