Home / 1,123,416,442.40-1,684,452,817.20-579,220,858.40

Finding the Fourth Proportional to 1,123,416,442.40, 1,684,452,817.20 and 579,220,858.40

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Solution

The fourth proportional to 1,123,416,442.40, 1,684,452,817.20 and 579,220,858.40 is: 868,484,891.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,416,442.40 : 1,684,452,817.20 = 579,220,858.40 : x
  2. Step 2: Convert to fraction form
    1,123,416,442.40/1,684,452,817.20 = 579,220,858.40/x
  3. Step 3: Cross multiply
    1,123,416,442.40x = 1,684,452,817.20 × 579,220,858.40
  4. Step 4: Simplify right side
    1,123,416,442.40x = 975,670,206,712,882,304
  5. Step 5: Solve for x
    x = 975,670,206,712,882,304/1,123,416,442.40
  6. Step 6: Final answer
    x = 868,484,891.17

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Double scale
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1.5x scale

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.