Home / 1,628,924,139.40-2,443,386,209.10-402,092,590.90

Finding the Fourth Proportional to 1,628,924,139.40, 2,443,386,209.10 and 402,092,590.90

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Solution

The fourth proportional to 1,628,924,139.40, 2,443,386,209.10 and 402,092,590.90 is: 603,138,886.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,924,139.40 : 2,443,386,209.10 = 402,092,590.90 : x
  2. Step 2: Convert to fraction form
    1,628,924,139.40/2,443,386,209.10 = 402,092,590.90/x
  3. Step 3: Cross multiply
    1,628,924,139.40x = 2,443,386,209.10 × 402,092,590.90
  4. Step 4: Simplify right side
    1,628,924,139.40x = 982,467,491,386,348,032
  5. Step 5: Solve for x
    x = 982,467,491,386,348,032/1,628,924,139.40
  6. Step 6: Final answer
    x = 603,138,886.35

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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.