Home / 527,638,008,001.45-791,457,012,002.20-527,638,008,001.45

Finding the Fourth Proportional to 527,638,008,001.45, 791,457,012,002.20 and 527,638,008,001.45

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Solution

The fourth proportional to 527,638,008,001.45, 791,457,012,002.20 and 527,638,008,001.45 is: 791,457,012,002.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,638,008,001.45 : 791,457,012,002.20 = 527,638,008,001.45 : x
  2. Step 2: Convert to fraction form
    527,638,008,001.45/791,457,012,002.20 = 527,638,008,001.45/x
  3. Step 3: Cross multiply
    527,638,008,001.45x = 791,457,012,002.20 × 527,638,008,001.45
  4. Step 4: Simplify right side
    527,638,008,001.45x = 417,602,801,231,620,525,260,800
  5. Step 5: Solve for x
    x = 417,602,801,231,620,525,260,800/527,638,008,001.45
  6. Step 6: Final answer
    x = 791,457,012,002.20

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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.