Home / 1,539,648,744.80-2,309,473,117.20-721,843,714.40

Finding the Fourth Proportional to 1,539,648,744.80, 2,309,473,117.20 and 721,843,714.40

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Solution

The fourth proportional to 1,539,648,744.80, 2,309,473,117.20 and 721,843,714.40 is: 1,082,765,571.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,648,744.80 : 2,309,473,117.20 = 721,843,714.40 : x
  2. Step 2: Convert to fraction form
    1,539,648,744.80/2,309,473,117.20 = 721,843,714.40/x
  3. Step 3: Cross multiply
    1,539,648,744.80x = 2,309,473,117.20 × 721,843,714.40
  4. Step 4: Simplify right side
    1,539,648,744.80x = 1,667,078,653,226,594,304
  5. Step 5: Solve for x
    x = 1,667,078,653,226,594,304/1,539,648,744.80
  6. Step 6: Final answer
    x = 1,082,765,571.60

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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.