Home / 395,003,938-545,111,061.96-227,736,890.32

Finding the Fourth Proportional to 395,003,938, 545,111,061.96 and 227,736,890.32

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Solution

The fourth proportional to 395,003,938, 545,111,061.96 and 227,736,890.32 is: 314,280,153.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,003,938 : 545,111,061.96 = 227,736,890.32 : x
  2. Step 2: Convert to fraction form
    395,003,938/545,111,061.96 = 227,736,890.32/x
  3. Step 3: Cross multiply
    395,003,938x = 545,111,061.96 × 227,736,890.32
  4. Step 4: Simplify right side
    395,003,938x = 124,141,898,129,803,248
  5. Step 5: Solve for x
    x = 124,141,898,129,803,248/395,003,938
  6. Step 6: Final answer
    x = 314,280,153.15

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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.