Home / 520,697,157.48-781,020,498.24-193,236,510.24

Finding the Fourth Proportional to 520,697,157.48, 781,020,498.24 and 193,236,510.24

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Solution

The fourth proportional to 520,697,157.48, 781,020,498.24 and 193,236,510.24 is: 289,845,399.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,697,157.48 : 781,020,498.24 = 193,236,510.24 : x
  2. Step 2: Convert to fraction form
    520,697,157.48/781,020,498.24 = 193,236,510.24/x
  3. Step 3: Cross multiply
    520,697,157.48x = 781,020,498.24 × 193,236,510.24
  4. Step 4: Simplify right side
    520,697,157.48x = 150,921,675,505,803,680
  5. Step 5: Solve for x
    x = 150,921,675,505,803,680/520,697,157.48
  6. Step 6: Final answer
    x = 289,845,399.26

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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.