Home / 316,877,380.80-474,749,200.80-268,126,526.40

Finding the Fourth Proportional to 316,877,380.80, 474,749,200.80 and 268,126,526.40

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Solution

The fourth proportional to 316,877,380.80, 474,749,200.80 and 268,126,526.40 is: 401,710,130.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,877,380.80 : 474,749,200.80 = 268,126,526.40 : x
  2. Step 2: Convert to fraction form
    316,877,380.80/474,749,200.80 = 268,126,526.40/x
  3. Step 3: Cross multiply
    316,877,380.80x = 474,749,200.80 × 268,126,526.40
  4. Step 4: Simplify right side
    316,877,380.80x = 127,292,854,121,680,112
  5. Step 5: Solve for x
    x = 127,292,854,121,680,112/316,877,380.80
  6. Step 6: Final answer
    x = 401,710,130.90

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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.