Home / 681,719,493.60-1,022,579,240.40-473,111,186.40

Finding the Fourth Proportional to 681,719,493.60, 1,022,579,240.40 and 473,111,186.40

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Solution

The fourth proportional to 681,719,493.60, 1,022,579,240.40 and 473,111,186.40 is: 709,666,779.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,719,493.60 : 1,022,579,240.40 = 473,111,186.40 : x
  2. Step 2: Convert to fraction form
    681,719,493.60/1,022,579,240.40 = 473,111,186.40/x
  3. Step 3: Cross multiply
    681,719,493.60x = 1,022,579,240.40 × 473,111,186.40
  4. Step 4: Simplify right side
    681,719,493.60x = 483,793,677,613,654,784
  5. Step 5: Solve for x
    x = 483,793,677,613,654,784/681,719,493.60
  6. Step 6: Final answer
    x = 709,666,779.60

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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.