Home / 684,240,803.28-944,272,228.20-386,876,661.03

Finding the Fourth Proportional to 684,240,803.28, 944,272,228.20 and 386,876,661.03

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Solution

The fourth proportional to 684,240,803.28, 944,272,228.20 and 386,876,661.03 is: 533,901,055.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,240,803.28 : 944,272,228.20 = 386,876,661.03 : x
  2. Step 2: Convert to fraction form
    684,240,803.28/944,272,228.20 = 386,876,661.03/x
  3. Step 3: Cross multiply
    684,240,803.28x = 944,272,228.20 × 386,876,661.03
  4. Step 4: Simplify right side
    684,240,803.28x = 365,316,886,749,374,208
  5. Step 5: Solve for x
    x = 365,316,886,749,374,208/684,240,803.28
  6. Step 6: Final answer
    x = 533,901,055.01

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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.