Home / 506,439,212.25-760,528,168.05-310,851,138.56

Finding the Fourth Proportional to 506,439,212.25, 760,528,168.05 and 310,851,138.56

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Solution

The fourth proportional to 506,439,212.25, 760,528,168.05 and 310,851,138.56 is: 466,810,312.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,439,212.25 : 760,528,168.05 = 310,851,138.56 : x
  2. Step 2: Convert to fraction form
    506,439,212.25/760,528,168.05 = 310,851,138.56/x
  3. Step 3: Cross multiply
    506,439,212.25x = 760,528,168.05 × 310,851,138.56
  4. Step 4: Simplify right side
    506,439,212.25x = 236,411,046,940,325,184
  5. Step 5: Solve for x
    x = 236,411,046,940,325,184/506,439,212.25
  6. Step 6: Final answer
    x = 466,810,312.52

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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.