Home / 785,282,126,958.08-1,178,263,356,207.30-421,823,693,224.18

Finding the Fourth Proportional to 785,282,126,958.08, 1,178,263,356,207.30 and 421,823,693,224.18

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Solution

The fourth proportional to 785,282,126,958.08, 1,178,263,356,207.30 and 421,823,693,224.18 is: 632,918,263,951.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,282,126,958.08 : 1,178,263,356,207.30 = 421,823,693,224.18 : x
  2. Step 2: Convert to fraction form
    785,282,126,958.08/1,178,263,356,207.30 = 421,823,693,224.18/x
  3. Step 3: Cross multiply
    785,282,126,958.08x = 1,178,263,356,207.30 × 421,823,693,224.18
  4. Step 4: Simplify right side
    785,282,126,958.08x = 497,019,400,506,080,841,695,232
  5. Step 5: Solve for x
    x = 497,019,400,506,080,841,695,232/785,282,126,958.08
  6. Step 6: Final answer
    x = 632,918,263,951.03

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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.