Home / 1,254,745,274.80-1,731,538,923.48-690,218,031.44

Finding the Fourth Proportional to 1,254,745,274.80, 1,731,538,923.48 and 690,218,031.44

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Solution

The fourth proportional to 1,254,745,274.80, 1,731,538,923.48 and 690,218,031.44 is: 952,495,626.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,745,274.80 : 1,731,538,923.48 = 690,218,031.44 : x
  2. Step 2: Convert to fraction form
    1,254,745,274.80/1,731,538,923.48 = 690,218,031.44/x
  3. Step 3: Cross multiply
    1,254,745,274.80x = 1,731,538,923.48 × 690,218,031.44
  4. Step 4: Simplify right side
    1,254,745,274.80x = 1,195,139,387,126,102,528
  5. Step 5: Solve for x
    x = 1,195,139,387,126,102,528/1,254,745,274.80
  6. Step 6: Final answer
    x = 952,495,626.90

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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.