Home / 1,190,293,189.48-1,785,406,779.42-316,902,050.92

Finding the Fourth Proportional to 1,190,293,189.48, 1,785,406,779.42 and 316,902,050.92

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Solution

The fourth proportional to 1,190,293,189.48, 1,785,406,779.42 and 316,902,050.92 is: 475,344,289.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,293,189.48 : 1,785,406,779.42 = 316,902,050.92 : x
  2. Step 2: Convert to fraction form
    1,190,293,189.48/1,785,406,779.42 = 316,902,050.92/x
  3. Step 3: Cross multiply
    1,190,293,189.48x = 1,785,406,779.42 × 316,902,050.92
  4. Step 4: Simplify right side
    1,190,293,189.48x = 565,799,070,124,670,080
  5. Step 5: Solve for x
    x = 565,799,070,124,670,080/1,190,293,189.48
  6. Step 6: Final answer
    x = 475,344,289.23

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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.