Home / 718,139,333.76-1,077,520,079.52-385,758,508.80

Finding the Fourth Proportional to 718,139,333.76, 1,077,520,079.52 and 385,758,508.80

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Solution

The fourth proportional to 718,139,333.76, 1,077,520,079.52 and 385,758,508.80 is: 578,804,863.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,139,333.76 : 1,077,520,079.52 = 385,758,508.80 : x
  2. Step 2: Convert to fraction form
    718,139,333.76/1,077,520,079.52 = 385,758,508.80/x
  3. Step 3: Cross multiply
    718,139,333.76x = 1,077,520,079.52 × 385,758,508.80
  4. Step 4: Simplify right side
    718,139,333.76x = 415,662,539,077,692,608
  5. Step 5: Solve for x
    x = 415,662,539,077,692,608/718,139,333.76
  6. Step 6: Final answer
    x = 578,804,863.54

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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.