Home / 818,502,793.04-1,129,549,054.92-447,248,870.48

Finding the Fourth Proportional to 818,502,793.04, 1,129,549,054.92 and 447,248,870.48

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Solution

The fourth proportional to 818,502,793.04, 1,129,549,054.92 and 447,248,870.48 is: 617,211,747.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,502,793.04 : 1,129,549,054.92 = 447,248,870.48 : x
  2. Step 2: Convert to fraction form
    818,502,793.04/1,129,549,054.92 = 447,248,870.48/x
  3. Step 3: Cross multiply
    818,502,793.04x = 1,129,549,054.92 × 447,248,870.48
  4. Step 4: Simplify right side
    818,502,793.04x = 505,189,538,964,721,536
  5. Step 5: Solve for x
    x = 505,189,538,964,721,536/818,502,793.04
  6. Step 6: Final answer
    x = 617,211,747.18

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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.