Home / 696,912,440.71-1,045,403,397.33-198,996,804.59

Finding the Fourth Proportional to 696,912,440.71, 1,045,403,397.33 and 198,996,804.59

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Solution

The fourth proportional to 696,912,440.71, 1,045,403,397.33 and 198,996,804.59 is: 298,505,125.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,912,440.71 : 1,045,403,397.33 = 198,996,804.59 : x
  2. Step 2: Convert to fraction form
    696,912,440.71/1,045,403,397.33 = 198,996,804.59/x
  3. Step 3: Cross multiply
    696,912,440.71x = 1,045,403,397.33 × 198,996,804.59
  4. Step 4: Simplify right side
    696,912,440.71x = 208,031,935,577,226,400
  5. Step 5: Solve for x
    x = 208,031,935,577,226,400/696,912,440.71
  6. Step 6: Final answer
    x = 298,505,125.50

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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.