Home / 12,897,761,604.20-17,796,991,306.02-7,258,641,151.40

Finding the Fourth Proportional to 12,897,761,604.20, 17,796,991,306.02 and 7,258,641,151.40

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Solution

The fourth proportional to 12,897,761,604.20, 17,796,991,306.02 and 7,258,641,151.40 is: 10,015,844,410.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,897,761,604.20 : 17,796,991,306.02 = 7,258,641,151.40 : x
  2. Step 2: Convert to fraction form
    12,897,761,604.20/17,796,991,306.02 = 7,258,641,151.40/x
  3. Step 3: Cross multiply
    12,897,761,604.20x = 17,796,991,306.02 × 7,258,641,151.40
  4. Step 4: Simplify right side
    12,897,761,604.20x = 129,181,973,464,984,797,184
  5. Step 5: Solve for x
    x = 129,181,973,464,984,797,184/12,897,761,604.20
  6. Step 6: Final answer
    x = 10,015,844,410.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.