Home / 919,397,826.60-1,268,795,803.56-501,737,015.40

Finding the Fourth Proportional to 919,397,826.60, 1,268,795,803.56 and 501,737,015.40

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Solution

The fourth proportional to 919,397,826.60, 1,268,795,803.56 and 501,737,015.40 is: 692,411,708.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,397,826.60 : 1,268,795,803.56 = 501,737,015.40 : x
  2. Step 2: Convert to fraction form
    919,397,826.60/1,268,795,803.56 = 501,737,015.40/x
  3. Step 3: Cross multiply
    919,397,826.60x = 1,268,795,803.56 × 501,737,015.40
  4. Step 4: Simplify right side
    919,397,826.60x = 636,601,819,630,238,976
  5. Step 5: Solve for x
    x = 636,601,819,630,238,976/919,397,826.60
  6. Step 6: Final answer
    x = 692,411,708.20

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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.