Home / 495,478,054.80-683,803,288.54-272,499,025.28

Finding the Fourth Proportional to 495,478,054.80, 683,803,288.54 and 272,499,025.28

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Solution

The fourth proportional to 495,478,054.80, 683,803,288.54 and 272,499,025.28 is: 376,072,618.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,478,054.80 : 683,803,288.54 = 272,499,025.28 : x
  2. Step 2: Convert to fraction form
    495,478,054.80/683,803,288.54 = 272,499,025.28/x
  3. Step 3: Cross multiply
    495,478,054.80x = 683,803,288.54 × 272,499,025.28
  4. Step 4: Simplify right side
    495,478,054.80x = 186,335,729,610,408,576
  5. Step 5: Solve for x
    x = 186,335,729,610,408,576/495,478,054.80
  6. Step 6: Final answer
    x = 376,072,618.77

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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.