Home / 880,334,807.90-1,320,661,644.15-442,533,712.10

Finding the Fourth Proportional to 880,334,807.90, 1,320,661,644.15 and 442,533,712.10

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Solution

The fourth proportional to 880,334,807.90, 1,320,661,644.15 and 442,533,712.10 is: 663,880,712.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,334,807.90 : 1,320,661,644.15 = 442,533,712.10 : x
  2. Step 2: Convert to fraction form
    880,334,807.90/1,320,661,644.15 = 442,533,712.10/x
  3. Step 3: Cross multiply
    880,334,807.90x = 1,320,661,644.15 × 442,533,712.10
  4. Step 4: Simplify right side
    880,334,807.90x = 584,437,299,813,788,800
  5. Step 5: Solve for x
    x = 584,437,299,813,788,800/880,334,807.90
  6. Step 6: Final answer
    x = 663,880,712.85

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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.