Home / 438,465,870.32-605,005,988.36-250,208,210.48

Finding the Fourth Proportional to 438,465,870.32, 605,005,988.36 and 250,208,210.48

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Solution

The fourth proportional to 438,465,870.32, 605,005,988.36 and 250,208,210.48 is: 345,243,440.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,465,870.32 : 605,005,988.36 = 250,208,210.48 : x
  2. Step 2: Convert to fraction form
    438,465,870.32/605,005,988.36 = 250,208,210.48/x
  3. Step 3: Cross multiply
    438,465,870.32x = 605,005,988.36 × 250,208,210.48
  4. Step 4: Simplify right side
    438,465,870.32x = 151,377,465,677,239,296
  5. Step 5: Solve for x
    x = 151,377,465,677,239,296/438,465,870.32
  6. Step 6: Final answer
    x = 345,243,440.65

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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.