Home / 3,521,074,139.40-5,281,611,209.10-1,888,487,387.40

Finding the Fourth Proportional to 3,521,074,139.40, 5,281,611,209.10 and 1,888,487,387.40

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Solution

The fourth proportional to 3,521,074,139.40, 5,281,611,209.10 and 1,888,487,387.40 is: 2,832,731,081.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521,074,139.40 : 5,281,611,209.10 = 1,888,487,387.40 : x
  2. Step 2: Convert to fraction form
    3,521,074,139.40/5,281,611,209.10 = 1,888,487,387.40/x
  3. Step 3: Cross multiply
    3,521,074,139.40x = 5,281,611,209.10 × 1,888,487,387.40
  4. Step 4: Simplify right side
    3,521,074,139.40x = 9,974,256,153,535,815,680
  5. Step 5: Solve for x
    x = 9,974,256,153,535,815,680/3,521,074,139.40
  6. Step 6: Final answer
    x = 2,832,731,081.10

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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.