Home / 886,464,021.40-1,329,696,032.10-519,132,002.20

Finding the Fourth Proportional to 886,464,021.40, 1,329,696,032.10 and 519,132,002.20

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Solution

The fourth proportional to 886,464,021.40, 1,329,696,032.10 and 519,132,002.20 is: 778,698,003.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,464,021.40 : 1,329,696,032.10 = 519,132,002.20 : x
  2. Step 2: Convert to fraction form
    886,464,021.40/1,329,696,032.10 = 519,132,002.20/x
  3. Step 3: Cross multiply
    886,464,021.40x = 1,329,696,032.10 × 519,132,002.20
  4. Step 4: Simplify right side
    886,464,021.40x = 690,287,763,461,468,416
  5. Step 5: Solve for x
    x = 690,287,763,461,468,416/886,464,021.40
  6. Step 6: Final answer
    x = 778,698,003.30

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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.