Home / 674,137,009.80-1,011,205,514.70-521,082,001.80

Finding the Fourth Proportional to 674,137,009.80, 1,011,205,514.70 and 521,082,001.80

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Solution

The fourth proportional to 674,137,009.80, 1,011,205,514.70 and 521,082,001.80 is: 781,623,002.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,137,009.80 : 1,011,205,514.70 = 521,082,001.80 : x
  2. Step 2: Convert to fraction form
    674,137,009.80/1,011,205,514.70 = 521,082,001.80/x
  3. Step 3: Cross multiply
    674,137,009.80x = 1,011,205,514.70 × 521,082,001.80
  4. Step 4: Simplify right side
    674,137,009.80x = 526,920,993,831,075,392
  5. Step 5: Solve for x
    x = 526,920,993,831,075,392/674,137,009.80
  6. Step 6: Final answer
    x = 781,623,002.70

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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.