Home / 639,760,070.10-898,246,901.40-639,760,070.10

Finding the Fourth Proportional to 639,760,070.10, 898,246,901.40 and 639,760,070.10

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Solution

The fourth proportional to 639,760,070.10, 898,246,901.40 and 639,760,070.10 is: 898,246,901.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,760,070.10 : 898,246,901.40 = 639,760,070.10 : x
  2. Step 2: Convert to fraction form
    639,760,070.10/898,246,901.40 = 639,760,070.10/x
  3. Step 3: Cross multiply
    639,760,070.10x = 898,246,901.40 × 639,760,070.10
  4. Step 4: Simplify right side
    639,760,070.10x = 574,662,500,606,771,776
  5. Step 5: Solve for x
    x = 574,662,500,606,771,776/639,760,070.10
  6. Step 6: Final answer
    x = 898,246,901.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.