Home / 1,254,745,260.78-1,731,538,904.22-690,218,017.44

Finding the Fourth Proportional to 1,254,745,260.78, 1,731,538,904.22 and 690,218,017.44

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Solution

The fourth proportional to 1,254,745,260.78, 1,731,538,904.22 and 690,218,017.44 is: 952,495,607.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,745,260.78 : 1,731,538,904.22 = 690,218,017.44 : x
  2. Step 2: Convert to fraction form
    1,254,745,260.78/1,731,538,904.22 = 690,218,017.44/x
  3. Step 3: Cross multiply
    1,254,745,260.78x = 1,731,538,904.22 × 690,218,017.44
  4. Step 4: Simplify right side
    1,254,745,260.78x = 1,195,139,349,590,958,592
  5. Step 5: Solve for x
    x = 1,195,139,349,590,958,592/1,254,745,260.78
  6. Step 6: Final answer
    x = 952,495,607.63

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Double scale
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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.