Home / 1,306,373,721.60-1,959,560,582.40-386,168,102.40

Finding the Fourth Proportional to 1,306,373,721.60, 1,959,560,582.40 and 386,168,102.40

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Solution

The fourth proportional to 1,306,373,721.60, 1,959,560,582.40 and 386,168,102.40 is: 579,252,153.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,373,721.60 : 1,959,560,582.40 = 386,168,102.40 : x
  2. Step 2: Convert to fraction form
    1,306,373,721.60/1,959,560,582.40 = 386,168,102.40/x
  3. Step 3: Cross multiply
    1,306,373,721.60x = 1,959,560,582.40 × 386,168,102.40
  4. Step 4: Simplify right side
    1,306,373,721.60x = 756,719,791,643,246,848
  5. Step 5: Solve for x
    x = 756,719,791,643,246,848/1,306,373,721.60
  6. Step 6: Final answer
    x = 579,252,153.60

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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.