Home / 463,648,015.40-695,472,023.10-208,844,047.40

Finding the Fourth Proportional to 463,648,015.40, 695,472,023.10 and 208,844,047.40

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Solution

The fourth proportional to 463,648,015.40, 695,472,023.10 and 208,844,047.40 is: 313,266,071.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,648,015.40 : 695,472,023.10 = 208,844,047.40 : x
  2. Step 2: Convert to fraction form
    463,648,015.40/695,472,023.10 = 208,844,047.40/x
  3. Step 3: Cross multiply
    463,648,015.40x = 695,472,023.10 × 208,844,047.40
  4. Step 4: Simplify right side
    463,648,015.40x = 145,245,192,157,670,304
  5. Step 5: Solve for x
    x = 145,245,192,157,670,304/463,648,015.40
  6. Step 6: Final answer
    x = 313,266,071.10

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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.