Home / 1,003,142,853.86-1,504,118,185.76-381,403,597.16

Finding the Fourth Proportional to 1,003,142,853.86, 1,504,118,185.76 and 381,403,597.16

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Solution

The fourth proportional to 1,003,142,853.86, 1,504,118,185.76 and 381,403,597.16 is: 571,878,755.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,142,853.86 : 1,504,118,185.76 = 381,403,597.16 : x
  2. Step 2: Convert to fraction form
    1,003,142,853.86/1,504,118,185.76 = 381,403,597.16/x
  3. Step 3: Cross multiply
    1,003,142,853.86x = 1,504,118,185.76 × 381,403,597.16
  4. Step 4: Simplify right side
    1,003,142,853.86x = 573,676,086,602,637,120
  5. Step 5: Solve for x
    x = 573,676,086,602,637,120/1,003,142,853.86
  6. Step 6: Final answer
    x = 571,878,755.25

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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.