Home / 386,039,550.78-578,733,867.77-167,525,281.76

Finding the Fourth Proportional to 386,039,550.78, 578,733,867.77 and 167,525,281.76

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Solution

The fourth proportional to 386,039,550.78, 578,733,867.77 and 167,525,281.76 is: 251,146,687.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,039,550.78 : 578,733,867.77 = 167,525,281.76 : x
  2. Step 2: Convert to fraction form
    386,039,550.78/578,733,867.77 = 167,525,281.76/x
  3. Step 3: Cross multiply
    386,039,550.78x = 578,733,867.77 × 167,525,281.76
  4. Step 4: Simplify right side
    386,039,550.78x = 96,952,554,258,492,528
  5. Step 5: Solve for x
    x = 96,952,554,258,492,528/386,039,550.78
  6. Step 6: Final answer
    x = 251,146,687.08

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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.