Home / 1,005,118,046.60-1,506,557,325.90-391,498,334.60

Finding the Fourth Proportional to 1,005,118,046.60, 1,506,557,325.90 and 391,498,334.60

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Solution

The fourth proportional to 1,005,118,046.60, 1,506,557,325.90 and 391,498,334.60 is: 586,811,356.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,118,046.60 : 1,506,557,325.90 = 391,498,334.60 : x
  2. Step 2: Convert to fraction form
    1,005,118,046.60/1,506,557,325.90 = 391,498,334.60/x
  3. Step 3: Cross multiply
    1,005,118,046.60x = 1,506,557,325.90 × 391,498,334.60
  4. Step 4: Simplify right side
    1,005,118,046.60x = 589,814,684,069,279,488
  5. Step 5: Solve for x
    x = 589,814,684,069,279,488/1,005,118,046.60
  6. Step 6: Final answer
    x = 586,811,356.20

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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.