Home / 355,024,117.10-532,536,175.65-209,527,381.10

Finding the Fourth Proportional to 355,024,117.10, 532,536,175.65 and 209,527,381.10

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Solution

The fourth proportional to 355,024,117.10, 532,536,175.65 and 209,527,381.10 is: 314,291,071.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,024,117.10 : 532,536,175.65 = 209,527,381.10 : x
  2. Step 2: Convert to fraction form
    355,024,117.10/532,536,175.65 = 209,527,381.10/x
  3. Step 3: Cross multiply
    355,024,117.10x = 532,536,175.65 × 209,527,381.10
  4. Step 4: Simplify right side
    355,024,117.10x = 111,580,910,224,954,080
  5. Step 5: Solve for x
    x = 111,580,910,224,954,080/355,024,117.10
  6. Step 6: Final answer
    x = 314,291,071.65

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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.