Home / 880,334,805.90-1,320,661,641.15-442,533,710.10

Finding the Fourth Proportional to 880,334,805.90, 1,320,661,641.15 and 442,533,710.10

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Solution

The fourth proportional to 880,334,805.90, 1,320,661,641.15 and 442,533,710.10 is: 663,880,709.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,334,805.90 : 1,320,661,641.15 = 442,533,710.10 : x
  2. Step 2: Convert to fraction form
    880,334,805.90/1,320,661,641.15 = 442,533,710.10/x
  3. Step 3: Cross multiply
    880,334,805.90x = 1,320,661,641.15 × 442,533,710.10
  4. Step 4: Simplify right side
    880,334,805.90x = 584,437,295,844,864,384
  5. Step 5: Solve for x
    x = 584,437,295,844,864,384/880,334,805.90
  6. Step 6: Final answer
    x = 663,880,709.85

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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.