Home / 448,347,426.40-672,497,224.62-120,817,680.76

Finding the Fourth Proportional to 448,347,426.40, 672,497,224.62 and 120,817,680.76

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Solution

The fourth proportional to 448,347,426.40, 672,497,224.62 and 120,817,680.76 is: 181,220,076.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,347,426.40 : 672,497,224.62 = 120,817,680.76 : x
  2. Step 2: Convert to fraction form
    448,347,426.40/672,497,224.62 = 120,817,680.76/x
  3. Step 3: Cross multiply
    448,347,426.40x = 672,497,224.62 × 120,817,680.76
  4. Step 4: Simplify right side
    448,347,426.40x = 81,249,554,996,125,184
  5. Step 5: Solve for x
    x = 81,249,554,996,125,184/448,347,426.40
  6. Step 6: Final answer
    x = 181,220,076.69

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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.