Home / 372,322,761.80-513,841,703.57-278,073,281.16

Finding the Fourth Proportional to 372,322,761.80, 513,841,703.57 and 278,073,281.16

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Solution

The fourth proportional to 372,322,761.80, 513,841,703.57 and 278,073,281.16 is: 383,768,233.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,322,761.80 : 513,841,703.57 = 278,073,281.16 : x
  2. Step 2: Convert to fraction form
    372,322,761.80/513,841,703.57 = 278,073,281.16/x
  3. Step 3: Cross multiply
    372,322,761.80x = 513,841,703.57 × 278,073,281.16
  4. Step 4: Simplify right side
    372,322,761.80x = 142,885,648,509,771,952
  5. Step 5: Solve for x
    x = 142,885,648,509,771,952/372,322,761.80
  6. Step 6: Final answer
    x = 383,768,233.30

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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.