Home / 537,088,046.80-805,963,846.20-213,938,222.80

Finding the Fourth Proportional to 537,088,046.80, 805,963,846.20 and 213,938,222.80

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Solution

The fourth proportional to 537,088,046.80, 805,963,846.20 and 213,938,222.80 is: 321,039,490.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,088,046.80 : 805,963,846.20 = 213,938,222.80 : x
  2. Step 2: Convert to fraction form
    537,088,046.80/805,963,846.20 = 213,938,222.80/x
  3. Step 3: Cross multiply
    537,088,046.80x = 805,963,846.20 × 213,938,222.80
  4. Step 4: Simplify right side
    537,088,046.80x = 172,426,472,897,080,544
  5. Step 5: Solve for x
    x = 172,426,472,897,080,544/537,088,046.80
  6. Step 6: Final answer
    x = 321,039,490.50

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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.