Home / 1,992,877,487.30-2,989,316,230.95-957,488,701.70

Finding the Fourth Proportional to 1,992,877,487.30, 2,989,316,230.95 and 957,488,701.70

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Solution

The fourth proportional to 1,992,877,487.30, 2,989,316,230.95 and 957,488,701.70 is: 1,436,233,052.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,877,487.30 : 2,989,316,230.95 = 957,488,701.70 : x
  2. Step 2: Convert to fraction form
    1,992,877,487.30/2,989,316,230.95 = 957,488,701.70/x
  3. Step 3: Cross multiply
    1,992,877,487.30x = 2,989,316,230.95 × 957,488,701.70
  4. Step 4: Simplify right side
    1,992,877,487.30x = 2,862,236,516,943,052,800
  5. Step 5: Solve for x
    x = 2,862,236,516,943,052,800/1,992,877,487.30
  6. Step 6: Final answer
    x = 1,436,233,052.55

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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.