Home / 668,696,549.76-1,003,124,595.44-323,402,060.16

Finding the Fourth Proportional to 668,696,549.76, 1,003,124,595.44 and 323,402,060.16

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Solution

The fourth proportional to 668,696,549.76, 1,003,124,595.44 and 323,402,060.16 is: 485,141,669.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,696,549.76 : 1,003,124,595.44 = 323,402,060.16 : x
  2. Step 2: Convert to fraction form
    668,696,549.76/1,003,124,595.44 = 323,402,060.16/x
  3. Step 3: Cross multiply
    668,696,549.76x = 1,003,124,595.44 × 323,402,060.16
  4. Step 4: Simplify right side
    668,696,549.76x = 324,412,560,762,462,592
  5. Step 5: Solve for x
    x = 324,412,560,762,462,592/668,696,549.76
  6. Step 6: Final answer
    x = 485,141,669.83

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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.