Home / 442,078,675.40-610,057,881.50-243,835,911.48

Finding the Fourth Proportional to 442,078,675.40, 610,057,881.50 and 243,835,911.48

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Solution

The fourth proportional to 442,078,675.40, 610,057,881.50 and 243,835,911.48 is: 336,487,661.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,078,675.40 : 610,057,881.50 = 243,835,911.48 : x
  2. Step 2: Convert to fraction form
    442,078,675.40/610,057,881.50 = 243,835,911.48/x
  3. Step 3: Cross multiply
    442,078,675.40x = 610,057,881.50 × 243,835,911.48
  4. Step 4: Simplify right side
    442,078,675.40x = 148,754,019,591,110,336
  5. Step 5: Solve for x
    x = 148,754,019,591,110,336/442,078,675.40
  6. Step 6: Final answer
    x = 336,487,661.29

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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.