Home / 456,729,013.40-630,286,661.00-247,885,159.01

Finding the Fourth Proportional to 456,729,013.40, 630,286,661.00 and 247,885,159.01

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Solution

The fourth proportional to 456,729,013.40, 630,286,661.00 and 247,885,159.01 is: 342,081,857.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,729,013.40 : 630,286,661.00 = 247,885,159.01 : x
  2. Step 2: Convert to fraction form
    456,729,013.40/630,286,661.00 = 247,885,159.01/x
  3. Step 3: Cross multiply
    456,729,013.40x = 630,286,661.00 × 247,885,159.01
  4. Step 4: Simplify right side
    456,729,013.40x = 156,238,709,181,335,264
  5. Step 5: Solve for x
    x = 156,238,709,181,335,264/456,729,013.40
  6. Step 6: Final answer
    x = 342,081,857.29

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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.