Home / 5,315,215,575.13-7,335,000,436.17-2,870,999,811.74

Finding the Fourth Proportional to 5,315,215,575.13, 7,335,000,436.17 and 2,870,999,811.74

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Solution

The fourth proportional to 5,315,215,575.13, 7,335,000,436.17 and 2,870,999,811.74 is: 3,961,981,329.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315,215,575.13 : 7,335,000,436.17 = 2,870,999,811.74 : x
  2. Step 2: Convert to fraction form
    5,315,215,575.13/7,335,000,436.17 = 2,870,999,811.74/x
  3. Step 3: Cross multiply
    5,315,215,575.13x = 7,335,000,436.17 × 2,870,999,811.74
  4. Step 4: Simplify right side
    5,315,215,575.13x = 21,058,784,871,362,019,328
  5. Step 5: Solve for x
    x = 21,058,784,871,362,019,328/5,315,215,575.13
  6. Step 6: Final answer
    x = 3,961,981,329.58

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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.