Home / 215,570,419-297,487,178.22-117,785,275

Finding the Fourth Proportional to 215,570,419, 297,487,178.22 and 117,785,275

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Solution

The fourth proportional to 215,570,419, 297,487,178.22 and 117,785,275 is: 162,543,679.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,570,419 : 297,487,178.22 = 117,785,275 : x
  2. Step 2: Convert to fraction form
    215,570,419/297,487,178.22 = 117,785,275/x
  3. Step 3: Cross multiply
    215,570,419x = 297,487,178.22 × 117,785,275
  4. Step 4: Simplify right side
    215,570,419x = 35,039,609,095,616,712
  5. Step 5: Solve for x
    x = 35,039,609,095,616,712/215,570,419
  6. Step 6: Final answer
    x = 162,543,679.50

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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.