Home / 767,536,443.15-1,059,200,264.39-415,112,425.35

Finding the Fourth Proportional to 767,536,443.15, 1,059,200,264.39 and 415,112,425.35

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Solution

The fourth proportional to 767,536,443.15, 1,059,200,264.39 and 415,112,425.35 is: 572,855,132.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,536,443.15 : 1,059,200,264.39 = 415,112,425.35 : x
  2. Step 2: Convert to fraction form
    767,536,443.15/1,059,200,264.39 = 415,112,425.35/x
  3. Step 3: Cross multiply
    767,536,443.15x = 1,059,200,264.39 × 415,112,425.35
  4. Step 4: Simplify right side
    767,536,443.15x = 439,687,190,682,294,144
  5. Step 5: Solve for x
    x = 439,687,190,682,294,144/767,536,443.15
  6. Step 6: Final answer
    x = 572,855,132.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.