Home / 826,722,574.87-1,140,875,155.88-450,382,255.13

Finding the Fourth Proportional to 826,722,574.87, 1,140,875,155.88 and 450,382,255.13

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Solution

The fourth proportional to 826,722,574.87, 1,140,875,155.88 and 450,382,255.13 is: 621,526,423.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,722,574.87 : 1,140,875,155.88 = 450,382,255.13 : x
  2. Step 2: Convert to fraction form
    826,722,574.87/1,140,875,155.88 = 450,382,255.13/x
  3. Step 3: Cross multiply
    826,722,574.87x = 1,140,875,155.88 × 450,382,255.13
  4. Step 4: Simplify right side
    826,722,574.87x = 513,829,925,521,320,384
  5. Step 5: Solve for x
    x = 513,829,925,521,320,384/826,722,574.87
  6. Step 6: Final answer
    x = 621,526,423.91

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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.