Home / 679,915,338.80-1,018,361,353.80-526,062,513.20

Finding the Fourth Proportional to 679,915,338.80, 1,018,361,353.80 and 526,062,513.20

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Solution

The fourth proportional to 679,915,338.80, 1,018,361,353.80 and 526,062,513.20 is: 787,924,176.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,915,338.80 : 1,018,361,353.80 = 526,062,513.20 : x
  2. Step 2: Convert to fraction form
    679,915,338.80/1,018,361,353.80 = 526,062,513.20/x
  3. Step 3: Cross multiply
    679,915,338.80x = 1,018,361,353.80 × 526,062,513.20
  4. Step 4: Simplify right side
    679,915,338.80x = 535,721,733,125,782,336
  5. Step 5: Solve for x
    x = 535,721,733,125,782,336/679,915,338.80
  6. Step 6: Final answer
    x = 787,924,176.08

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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.