Home / 445,182,619.42-667,779,612.14-117,655,303.11

Finding the Fourth Proportional to 445,182,619.42, 667,779,612.14 and 117,655,303.11

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Solution

The fourth proportional to 445,182,619.42, 667,779,612.14 and 117,655,303.11 is: 176,484,456.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,182,619.42 : 667,779,612.14 = 117,655,303.11 : x
  2. Step 2: Convert to fraction form
    445,182,619.42/667,779,612.14 = 117,655,303.11/x
  3. Step 3: Cross multiply
    445,182,619.42x = 667,779,612.14 × 117,655,303.11
  4. Step 4: Simplify right side
    445,182,619.42x = 78,567,812,674,799,904
  5. Step 5: Solve for x
    x = 78,567,812,674,799,904/445,182,619.42
  6. Step 6: Final answer
    x = 176,484,456.60

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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.