Home / 591,288,977.10-815,984,075.44-326,988,753.18

Finding the Fourth Proportional to 591,288,977.10, 815,984,075.44 and 326,988,753.18

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Solution

The fourth proportional to 591,288,977.10, 815,984,075.44 and 326,988,753.18 is: 451,247,403.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,288,977.10 : 815,984,075.44 = 326,988,753.18 : x
  2. Step 2: Convert to fraction form
    591,288,977.10/815,984,075.44 = 326,988,753.18/x
  3. Step 3: Cross multiply
    591,288,977.10x = 815,984,075.44 × 326,988,753.18
  4. Step 4: Simplify right side
    591,288,977.10x = 266,817,615,442,860,672
  5. Step 5: Solve for x
    x = 266,817,615,442,860,672/591,288,977.10
  6. Step 6: Final answer
    x = 451,247,403.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.