Home / 386,523,000.96-579,605,342.40-144,120,819.84

Finding the Fourth Proportional to 386,523,000.96, 579,605,342.40 and 144,120,819.84

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Solution

The fourth proportional to 386,523,000.96, 579,605,342.40 and 144,120,819.84 is: 216,114,427.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,523,000.96 : 579,605,342.40 = 144,120,819.84 : x
  2. Step 2: Convert to fraction form
    386,523,000.96/579,605,342.40 = 144,120,819.84/x
  3. Step 3: Cross multiply
    386,523,000.96x = 579,605,342.40 × 144,120,819.84
  4. Step 4: Simplify right side
    386,523,000.96x = 83,533,197,130,331,904
  5. Step 5: Solve for x
    x = 83,533,197,130,331,904/386,523,000.96
  6. Step 6: Final answer
    x = 216,114,427.66

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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.