Home / 72,837,957,669.40-100,460,727,853.98-62,693,674,867.72

Finding the Fourth Proportional to 72,837,957,669.40, 100,460,727,853.98 and 62,693,674,867.72

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Solution

The fourth proportional to 72,837,957,669.40, 100,460,727,853.98 and 62,693,674,867.72 is: 86,469,368,589.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,837,957,669.40 : 100,460,727,853.98 = 62,693,674,867.72 : x
  2. Step 2: Convert to fraction form
    72,837,957,669.40/100,460,727,853.98 = 62,693,674,867.72/x
  3. Step 3: Cross multiply
    72,837,957,669.40x = 100,460,727,853.98 × 62,693,674,867.72
  4. Step 4: Simplify right side
    72,837,957,669.40x = 6,298,252,209,051,924,430,848
  5. Step 5: Solve for x
    x = 6,298,252,209,051,924,430,848/72,837,957,669.40
  6. Step 6: Final answer
    x = 86,469,368,589.91

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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.