Home / 821,733,755.04-1,133,871,480.14-499,697,436.42

Finding the Fourth Proportional to 821,733,755.04, 1,133,871,480.14 and 499,697,436.42

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Solution

The fourth proportional to 821,733,755.04, 1,133,871,480.14 and 499,697,436.42 is: 689,508,820.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,733,755.04 : 1,133,871,480.14 = 499,697,436.42 : x
  2. Step 2: Convert to fraction form
    821,733,755.04/1,133,871,480.14 = 499,697,436.42/x
  3. Step 3: Cross multiply
    821,733,755.04x = 1,133,871,480.14 × 499,697,436.42
  4. Step 4: Simplify right side
    821,733,755.04x = 566,592,671,853,210,496
  5. Step 5: Solve for x
    x = 566,592,671,853,210,496/821,733,755.04
  6. Step 6: Final answer
    x = 689,508,820.07

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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.