Home / 1,499,338,135.84-2,069,060,687.76-830,269,919.20

Finding the Fourth Proportional to 1,499,338,135.84, 2,069,060,687.76 and 830,269,919.20

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Solution

The fourth proportional to 1,499,338,135.84, 2,069,060,687.76 and 830,269,919.20 is: 1,145,758,124.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,499,338,135.84 : 2,069,060,687.76 = 830,269,919.20 : x
  2. Step 2: Convert to fraction form
    1,499,338,135.84/2,069,060,687.76 = 830,269,919.20/x
  3. Step 3: Cross multiply
    1,499,338,135.84x = 2,069,060,687.76 × 830,269,919.20
  4. Step 4: Simplify right side
    1,499,338,135.84x = 1,717,878,850,046,391,808
  5. Step 5: Solve for x
    x = 1,717,878,850,046,391,808/1,499,338,135.84
  6. Step 6: Final answer
    x = 1,145,758,124.19

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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.