Home / 1,320,886,400.40-1,822,824,405.18-726,181,002.90

Finding the Fourth Proportional to 1,320,886,400.40, 1,822,824,405.18 and 726,181,002.90

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Solution

The fourth proportional to 1,320,886,400.40, 1,822,824,405.18 and 726,181,002.90 is: 1,002,130,428.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,886,400.40 : 1,822,824,405.18 = 726,181,002.90 : x
  2. Step 2: Convert to fraction form
    1,320,886,400.40/1,822,824,405.18 = 726,181,002.90/x
  3. Step 3: Cross multiply
    1,320,886,400.40x = 1,822,824,405.18 × 726,181,002.90
  4. Step 4: Simplify right side
    1,320,886,400.40x = 1,323,700,454,664,208,384
  5. Step 5: Solve for x
    x = 1,323,700,454,664,208,384/1,320,886,400.40
  6. Step 6: Final answer
    x = 1,002,130,428.68

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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.