Home / 1,155,762,079.20-1,733,643,118.80-665,986,053.60

Finding the Fourth Proportional to 1,155,762,079.20, 1,733,643,118.80 and 665,986,053.60

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Solution

The fourth proportional to 1,155,762,079.20, 1,733,643,118.80 and 665,986,053.60 is: 998,979,080.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,762,079.20 : 1,733,643,118.80 = 665,986,053.60 : x
  2. Step 2: Convert to fraction form
    1,155,762,079.20/1,733,643,118.80 = 665,986,053.60/x
  3. Step 3: Cross multiply
    1,155,762,079.20x = 1,733,643,118.80 × 665,986,053.60
  4. Step 4: Simplify right side
    1,155,762,079.20x = 1,154,582,139,040,408,064
  5. Step 5: Solve for x
    x = 1,154,582,139,040,408,064/1,155,762,079.20
  6. Step 6: Final answer
    x = 998,979,080.40

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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.