Home / 1,492,992,079.80-2,239,488,119.70-944,765,417.40

Finding the Fourth Proportional to 1,492,992,079.80, 2,239,488,119.70 and 944,765,417.40

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Solution

The fourth proportional to 1,492,992,079.80, 2,239,488,119.70 and 944,765,417.40 is: 1,417,148,126.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,992,079.80 : 2,239,488,119.70 = 944,765,417.40 : x
  2. Step 2: Convert to fraction form
    1,492,992,079.80/2,239,488,119.70 = 944,765,417.40/x
  3. Step 3: Cross multiply
    1,492,992,079.80x = 2,239,488,119.70 × 944,765,417.40
  4. Step 4: Simplify right side
    1,492,992,079.80x = 2,115,790,928,170,711,552
  5. Step 5: Solve for x
    x = 2,115,790,928,170,711,552/1,492,992,079.80
  6. Step 6: Final answer
    x = 1,417,148,126.10

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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.