Home / 1,290,218,159.28-1,935,327,327-514,408,630.08

Finding the Fourth Proportional to 1,290,218,159.28, 1,935,327,327 and 514,408,630.08

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Solution

The fourth proportional to 1,290,218,159.28, 1,935,327,327 and 514,408,630.08 is: 771,612,980.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,218,159.28 : 1,935,327,327 = 514,408,630.08 : x
  2. Step 2: Convert to fraction form
    1,290,218,159.28/1,935,327,327 = 514,408,630.08/x
  3. Step 3: Cross multiply
    1,290,218,159.28x = 1,935,327,327 × 514,408,630.08
  4. Step 4: Simplify right side
    1,290,218,159.28x = 995,549,079,038,458,112
  5. Step 5: Solve for x
    x = 995,549,079,038,458,112/1,290,218,159.28
  6. Step 6: Final answer
    x = 771,612,980.24

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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.