Home / 1,539,778,821.60-2,309,668,232.40-927,558,789.60

Finding the Fourth Proportional to 1,539,778,821.60, 2,309,668,232.40 and 927,558,789.60

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Solution

The fourth proportional to 1,539,778,821.60, 2,309,668,232.40 and 927,558,789.60 is: 1,391,338,184.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,778,821.60 : 2,309,668,232.40 = 927,558,789.60 : x
  2. Step 2: Convert to fraction form
    1,539,778,821.60/2,309,668,232.40 = 927,558,789.60/x
  3. Step 3: Cross multiply
    1,539,778,821.60x = 2,309,668,232.40 × 927,558,789.60
  4. Step 4: Simplify right side
    1,539,778,821.60x = 2,142,353,070,022,515,712
  5. Step 5: Solve for x
    x = 2,142,353,070,022,515,712/1,539,778,821.60
  6. Step 6: Final answer
    x = 1,391,338,184.40

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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.