Home / 883,147,210.26-1,218,751,210.05-486,684,424.86

Finding the Fourth Proportional to 883,147,210.26, 1,218,751,210.05 and 486,684,424.86

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Solution

The fourth proportional to 883,147,210.26, 1,218,751,210.05 and 486,684,424.86 is: 671,628,947.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,147,210.26 : 1,218,751,210.05 = 486,684,424.86 : x
  2. Step 2: Convert to fraction form
    883,147,210.26/1,218,751,210.05 = 486,684,424.86/x
  3. Step 3: Cross multiply
    883,147,210.26x = 1,218,751,210.05 × 486,684,424.86
  4. Step 4: Simplify right side
    883,147,210.26x = 593,147,231,710,613,248
  5. Step 5: Solve for x
    x = 593,147,231,710,613,248/883,147,210.26
  6. Step 6: Final answer
    x = 671,628,947.95

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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.