Home / 513,862,986.72-770,671,063.14-237,248,429.22

Finding the Fourth Proportional to 513,862,986.72, 770,671,063.14 and 237,248,429.22

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Solution

The fourth proportional to 513,862,986.72, 770,671,063.14 and 237,248,429.22 is: 355,815,662.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,862,986.72 : 770,671,063.14 = 237,248,429.22 : x
  2. Step 2: Convert to fraction form
    513,862,986.72/770,671,063.14 = 237,248,429.22/x
  3. Step 3: Cross multiply
    513,862,986.72x = 770,671,063.14 × 237,248,429.22
  4. Step 4: Simplify right side
    513,862,986.72x = 182,840,499,175,272,448
  5. Step 5: Solve for x
    x = 182,840,499,175,272,448/513,862,986.72
  6. Step 6: Final answer
    x = 355,815,662.74

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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.