Home / 292,449,255,661.78-438,703,940,743.80-101,220,980,430.28

Finding the Fourth Proportional to 292,449,255,661.78, 438,703,940,743.80 and 101,220,980,430.28

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Solution

The fourth proportional to 292,449,255,661.78, 438,703,940,743.80 and 101,220,980,430.28 is: 151,841,873,901.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,449,255,661.78 : 438,703,940,743.80 = 101,220,980,430.28 : x
  2. Step 2: Convert to fraction form
    292,449,255,661.78/438,703,940,743.80 = 101,220,980,430.28/x
  3. Step 3: Cross multiply
    292,449,255,661.78x = 438,703,940,743.80 × 101,220,980,430.28
  4. Step 4: Simplify right side
    292,449,255,661.78x = 44,406,043,000,714,895,032,320
  5. Step 5: Solve for x
    x = 44,406,043,000,714,895,032,320/292,449,255,661.78
  6. Step 6: Final answer
    x = 151,841,873,901.27

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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.