Home / 343,853,073.60-515,779,610.40-171,666,189.60

Finding the Fourth Proportional to 343,853,073.60, 515,779,610.40 and 171,666,189.60

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Solution

The fourth proportional to 343,853,073.60, 515,779,610.40 and 171,666,189.60 is: 257,499,284.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,853,073.60 : 515,779,610.40 = 171,666,189.60 : x
  2. Step 2: Convert to fraction form
    343,853,073.60/515,779,610.40 = 171,666,189.60/x
  3. Step 3: Cross multiply
    343,853,073.60x = 515,779,610.40 × 171,666,189.60
  4. Step 4: Simplify right side
    343,853,073.60x = 88,541,920,390,740,528
  5. Step 5: Solve for x
    x = 88,541,920,390,740,528/343,853,073.60
  6. Step 6: Final answer
    x = 257,499,284.40

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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.