Home / 780,022,200.60-1,170,331,899.30-767,779,666.20

Finding the Fourth Proportional to 780,022,200.60, 1,170,331,899.30 and 767,779,666.20

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Solution

The fourth proportional to 780,022,200.60, 1,170,331,899.30 and 767,779,666.20 is: 1,151,963,411.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,022,200.60 : 1,170,331,899.30 = 767,779,666.20 : x
  2. Step 2: Convert to fraction form
    780,022,200.60/1,170,331,899.30 = 767,779,666.20/x
  3. Step 3: Cross multiply
    780,022,200.60x = 1,170,331,899.30 × 767,779,666.20
  4. Step 4: Simplify right side
    780,022,200.60x = 898,557,034,987,766,016
  5. Step 5: Solve for x
    x = 898,557,034,987,766,016/780,022,200.60
  6. Step 6: Final answer
    x = 1,151,963,411.17

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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.