Home / 487,231,626,876.48-730,549,565,364.60-232,338,970,202.58

Finding the Fourth Proportional to 487,231,626,876.48, 730,549,565,364.60 and 232,338,970,202.58

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Solution

The fourth proportional to 487,231,626,876.48, 730,549,565,364.60 and 232,338,970,202.58 is: 348,366,412,063.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,231,626,876.48 : 730,549,565,364.60 = 232,338,970,202.58 : x
  2. Step 2: Convert to fraction form
    487,231,626,876.48/730,549,565,364.60 = 232,338,970,202.58/x
  3. Step 3: Cross multiply
    487,231,626,876.48x = 730,549,565,364.60 × 232,338,970,202.58
  4. Step 4: Simplify right side
    487,231,626,876.48x = 169,735,133,698,753,550,090,240
  5. Step 5: Solve for x
    x = 169,735,133,698,753,550,090,240/487,231,626,876.48
  6. Step 6: Final answer
    x = 348,366,412,063.36

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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.