Home / 1,337,897,257.80-2,006,845,886.70-989,218,817.70

Finding the Fourth Proportional to 1,337,897,257.80, 2,006,845,886.70 and 989,218,817.70

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Solution

The fourth proportional to 1,337,897,257.80, 2,006,845,886.70 and 989,218,817.70 is: 1,483,828,226.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,897,257.80 : 2,006,845,886.70 = 989,218,817.70 : x
  2. Step 2: Convert to fraction form
    1,337,897,257.80/2,006,845,886.70 = 989,218,817.70/x
  3. Step 3: Cross multiply
    1,337,897,257.80x = 2,006,845,886.70 × 989,218,817.70
  4. Step 4: Simplify right side
    1,337,897,257.80x = 1,985,209,715,347,482,368
  5. Step 5: Solve for x
    x = 1,985,209,715,347,482,368/1,337,897,257.80
  6. Step 6: Final answer
    x = 1,483,828,226.55

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Double scale
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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.