Home / 883,229,780.16-1,218,865,426.92-486,767,066.76

Finding the Fourth Proportional to 883,229,780.16, 1,218,865,426.92 and 486,767,066.76

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Solution

The fourth proportional to 883,229,780.16, 1,218,865,426.92 and 486,767,066.76 is: 671,743,143.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,229,780.16 : 1,218,865,426.92 = 486,767,066.76 : x
  2. Step 2: Convert to fraction form
    883,229,780.16/1,218,865,426.92 = 486,767,066.76/x
  3. Step 3: Cross multiply
    883,229,780.16x = 1,218,865,426.92 × 486,767,066.76
  4. Step 4: Simplify right side
    883,229,780.16x = 593,303,548,637,023,616
  5. Step 5: Solve for x
    x = 593,303,548,637,023,616/883,229,780.16
  6. Step 6: Final answer
    x = 671,743,143.14

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Double scale
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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.