Home / 1,327,105,087.60-1,990,657,631.40-1,246,417,164.40

Finding the Fourth Proportional to 1,327,105,087.60, 1,990,657,631.40 and 1,246,417,164.40

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Solution

The fourth proportional to 1,327,105,087.60, 1,990,657,631.40 and 1,246,417,164.40 is: 1,869,625,746.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,105,087.60 : 1,990,657,631.40 = 1,246,417,164.40 : x
  2. Step 2: Convert to fraction form
    1,327,105,087.60/1,990,657,631.40 = 1,246,417,164.40/x
  3. Step 3: Cross multiply
    1,327,105,087.60x = 1,990,657,631.40 × 1,246,417,164.40
  4. Step 4: Simplify right side
    1,327,105,087.60x = 2,481,189,840,220,808,704
  5. Step 5: Solve for x
    x = 2,481,189,840,220,808,704/1,327,105,087.60
  6. Step 6: Final answer
    x = 1,869,625,746.60

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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.