Home / 699,518,510.30-1,049,277,765.45-214,781,332.70

Finding the Fourth Proportional to 699,518,510.30, 1,049,277,765.45 and 214,781,332.70

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Solution

The fourth proportional to 699,518,510.30, 1,049,277,765.45 and 214,781,332.70 is: 322,171,999.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,518,510.30 : 1,049,277,765.45 = 214,781,332.70 : x
  2. Step 2: Convert to fraction form
    699,518,510.30/1,049,277,765.45 = 214,781,332.70/x
  3. Step 3: Cross multiply
    699,518,510.30x = 1,049,277,765.45 × 214,781,332.70
  4. Step 4: Simplify right side
    699,518,510.30x = 225,365,276,835,829,024
  5. Step 5: Solve for x
    x = 225,365,276,835,829,024/699,518,510.30
  6. Step 6: Final answer
    x = 322,171,999.05

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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.