Home / 819,799,205.40-1,229,698,808.10-237,552,445.80

Finding the Fourth Proportional to 819,799,205.40, 1,229,698,808.10 and 237,552,445.80

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Solution

The fourth proportional to 819,799,205.40, 1,229,698,808.10 and 237,552,445.80 is: 356,328,668.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,799,205.40 : 1,229,698,808.10 = 237,552,445.80 : x
  2. Step 2: Convert to fraction form
    819,799,205.40/1,229,698,808.10 = 237,552,445.80/x
  3. Step 3: Cross multiply
    819,799,205.40x = 1,229,698,808.10 × 237,552,445.80
  4. Step 4: Simplify right side
    819,799,205.40x = 292,117,959,461,499,840
  5. Step 5: Solve for x
    x = 292,117,959,461,499,840/819,799,205.40
  6. Step 6: Final answer
    x = 356,328,668.70

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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.