Home / 543,506,030.40-815,498,194.05-252,223,218.30

Finding the Fourth Proportional to 543,506,030.40, 815,498,194.05 and 252,223,218.30

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Solution

The fourth proportional to 543,506,030.40, 815,498,194.05 and 252,223,218.30 is: 378,445,808.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,506,030.40 : 815,498,194.05 = 252,223,218.30 : x
  2. Step 2: Convert to fraction form
    543,506,030.40/815,498,194.05 = 252,223,218.30/x
  3. Step 3: Cross multiply
    543,506,030.40x = 815,498,194.05 × 252,223,218.30
  4. Step 4: Simplify right side
    543,506,030.40x = 205,687,579,021,128,896
  5. Step 5: Solve for x
    x = 205,687,579,021,128,896/543,506,030.40
  6. Step 6: Final answer
    x = 378,445,808.36

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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.