Home / 665,125,865.02-917,834,256.11-367,744,767.45

Finding the Fourth Proportional to 665,125,865.02, 917,834,256.11 and 367,744,767.45

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Solution

The fourth proportional to 665,125,865.02, 917,834,256.11 and 367,744,767.45 is: 507,465,974.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,125,865.02 : 917,834,256.11 = 367,744,767.45 : x
  2. Step 2: Convert to fraction form
    665,125,865.02/917,834,256.11 = 367,744,767.45/x
  3. Step 3: Cross multiply
    665,125,865.02x = 917,834,256.11 × 367,744,767.45
  4. Step 4: Simplify right side
    665,125,865.02x = 337,528,745,070,815,680
  5. Step 5: Solve for x
    x = 337,528,745,070,815,680/665,125,865.02
  6. Step 6: Final answer
    x = 507,465,974.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.