Home / 330,953,756.18-456,748,443.20-247,176,440.12

Finding the Fourth Proportional to 330,953,756.18, 456,748,443.20 and 247,176,440.12

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Solution

The fourth proportional to 330,953,756.18, 456,748,443.20 and 247,176,440.12 is: 341,127,580.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,953,756.18 : 456,748,443.20 = 247,176,440.12 : x
  2. Step 2: Convert to fraction form
    330,953,756.18/456,748,443.20 = 247,176,440.12/x
  3. Step 3: Cross multiply
    330,953,756.18x = 456,748,443.20 × 247,176,440.12
  4. Step 4: Simplify right side
    330,953,756.18x = 112,897,454,222,287,824
  5. Step 5: Solve for x
    x = 112,897,454,222,287,824/330,953,756.18
  6. Step 6: Final answer
    x = 341,127,580.87

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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.