Home / 1,515,077,998.40-2,272,050,127.20-532,124,724.80

Finding the Fourth Proportional to 1,515,077,998.40, 2,272,050,127.20 and 532,124,724.80

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Solution

The fourth proportional to 1,515,077,998.40, 2,272,050,127.20 and 532,124,724.80 is: 797,987,991.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,077,998.40 : 2,272,050,127.20 = 532,124,724.80 : x
  2. Step 2: Convert to fraction form
    1,515,077,998.40/2,272,050,127.20 = 532,124,724.80/x
  3. Step 3: Cross multiply
    1,515,077,998.40x = 2,272,050,127.20 × 532,124,724.80
  4. Step 4: Simplify right side
    1,515,077,998.40x = 1,209,014,048,668,104,960
  5. Step 5: Solve for x
    x = 1,209,014,048,668,104,960/1,515,077,998.40
  6. Step 6: Final answer
    x = 797,987,991.34

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Double scale
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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.