Home / 72,837,957,670.40-100,460,727,855.36-62,693,674,868.72

Finding the Fourth Proportional to 72,837,957,670.40, 100,460,727,855.36 and 62,693,674,868.72

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Solution

The fourth proportional to 72,837,957,670.40, 100,460,727,855.36 and 62,693,674,868.72 is: 86,469,368,591.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,837,957,670.40 : 100,460,727,855.36 = 62,693,674,868.72 : x
  2. Step 2: Convert to fraction form
    72,837,957,670.40/100,460,727,855.36 = 62,693,674,868.72/x
  3. Step 3: Cross multiply
    72,837,957,670.40x = 100,460,727,855.36 × 62,693,674,868.72
  4. Step 4: Simplify right side
    72,837,957,670.40x = 6,298,252,209,238,902,308,864
  5. Step 5: Solve for x
    x = 6,298,252,209,238,902,308,864/72,837,957,670.40
  6. Step 6: Final answer
    x = 86,469,368,591.29

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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.