Home / 518,012,036,270.52-714,808,637,018.28-286,520,573,217.90

Finding the Fourth Proportional to 518,012,036,270.52, 714,808,637,018.28 and 286,520,573,217.90

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Solution

The fourth proportional to 518,012,036,270.52, 714,808,637,018.28 and 286,520,573,217.90 is: 395,371,856,403.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,012,036,270.52 : 714,808,637,018.28 = 286,520,573,217.90 : x
  2. Step 2: Convert to fraction form
    518,012,036,270.52/714,808,637,018.28 = 286,520,573,217.90/x
  3. Step 3: Cross multiply
    518,012,036,270.52x = 714,808,637,018.28 × 286,520,573,217.90
  4. Step 4: Simplify right side
    518,012,036,270.52x = 204,807,380,419,583,435,341,824
  5. Step 5: Solve for x
    x = 204,807,380,419,583,435,341,824/518,012,036,270.52
  6. Step 6: Final answer
    x = 395,371,856,403.41

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1.5x scale

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.