Home / 539,011,815.40-808,517,723.10-534,476,852.20

Finding the Fourth Proportional to 539,011,815.40, 808,517,723.10 and 534,476,852.20

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Solution

The fourth proportional to 539,011,815.40, 808,517,723.10 and 534,476,852.20 is: 801,715,278.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,011,815.40 : 808,517,723.10 = 534,476,852.20 : x
  2. Step 2: Convert to fraction form
    539,011,815.40/808,517,723.10 = 534,476,852.20/x
  3. Step 3: Cross multiply
    539,011,815.40x = 808,517,723.10 × 534,476,852.20
  4. Step 4: Simplify right side
    539,011,815.40x = 432,134,007,590,399,232
  5. Step 5: Solve for x
    x = 432,134,007,590,399,232/539,011,815.40
  6. Step 6: Final answer
    x = 801,715,278.30

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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.