Home / 797,855,306.40-1,196,782,959.60-539,194,442.40

Finding the Fourth Proportional to 797,855,306.40, 1,196,782,959.60 and 539,194,442.40

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Solution

The fourth proportional to 797,855,306.40, 1,196,782,959.60 and 539,194,442.40 is: 808,791,663.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,855,306.40 : 1,196,782,959.60 = 539,194,442.40 : x
  2. Step 2: Convert to fraction form
    797,855,306.40/1,196,782,959.60 = 539,194,442.40/x
  3. Step 3: Cross multiply
    797,855,306.40x = 1,196,782,959.60 × 539,194,442.40
  4. Step 4: Simplify right side
    797,855,306.40x = 645,298,720,575,343,616
  5. Step 5: Solve for x
    x = 645,298,720,575,343,616/797,855,306.40
  6. Step 6: Final answer
    x = 808,791,663.60

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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.