Home / 798,210,004.70-1,197,315,007.05-471,692,654.30

Finding the Fourth Proportional to 798,210,004.70, 1,197,315,007.05 and 471,692,654.30

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Solution

The fourth proportional to 798,210,004.70, 1,197,315,007.05 and 471,692,654.30 is: 707,538,981.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,210,004.70 : 1,197,315,007.05 = 471,692,654.30 : x
  2. Step 2: Convert to fraction form
    798,210,004.70/1,197,315,007.05 = 471,692,654.30/x
  3. Step 3: Cross multiply
    798,210,004.70x = 1,197,315,007.05 × 471,692,654.30
  4. Step 4: Simplify right side
    798,210,004.70x = 564,764,693,708,637,696
  5. Step 5: Solve for x
    x = 564,764,693,708,637,696/798,210,004.70
  6. Step 6: Final answer
    x = 707,538,981.45

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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.