Home / 78,492,062,032.56-108,319,485,686.40-44,659,356,440.40

Finding the Fourth Proportional to 78,492,062,032.56, 108,319,485,686.40 and 44,659,356,440.40

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Solution

The fourth proportional to 78,492,062,032.56, 108,319,485,686.40 and 44,659,356,440.40 is: 61,630,162,279.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,492,062,032.56 : 108,319,485,686.40 = 44,659,356,440.40 : x
  2. Step 2: Convert to fraction form
    78,492,062,032.56/108,319,485,686.40 = 44,659,356,440.40/x
  3. Step 3: Cross multiply
    78,492,062,032.56x = 108,319,485,686.40 × 44,659,356,440.40
  4. Step 4: Simplify right side
    78,492,062,032.56x = 4,837,478,520,709,743,378,432
  5. Step 5: Solve for x
    x = 4,837,478,520,709,743,378,432/78,492,062,032.56
  6. Step 6: Final answer
    x = 61,630,162,279.38

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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.