Home / 582,191,161.20-872,995,430.16-193,878,638.64

Finding the Fourth Proportional to 582,191,161.20, 872,995,430.16 and 193,878,638.64

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Solution

The fourth proportional to 582,191,161.20, 872,995,430.16 and 193,878,638.64 is: 290,720,946.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,191,161.20 : 872,995,430.16 = 193,878,638.64 : x
  2. Step 2: Convert to fraction form
    582,191,161.20/872,995,430.16 = 193,878,638.64/x
  3. Step 3: Cross multiply
    582,191,161.20x = 872,995,430.16 × 193,878,638.64
  4. Step 4: Simplify right side
    582,191,161.20x = 169,255,165,538,361,984
  5. Step 5: Solve for x
    x = 169,255,165,538,361,984/582,191,161.20
  6. Step 6: Final answer
    x = 290,720,946.69

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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.