Home / 516,595,981.06-712,871,733.50-293,546,705.81

Finding the Fourth Proportional to 516,595,981.06, 712,871,733.50 and 293,546,705.81

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Solution

The fourth proportional to 516,595,981.06, 712,871,733.50 and 293,546,705.81 is: 405,076,997.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,595,981.06 : 712,871,733.50 = 293,546,705.81 : x
  2. Step 2: Convert to fraction form
    516,595,981.06/712,871,733.50 = 293,546,705.81/x
  3. Step 3: Cross multiply
    516,595,981.06x = 712,871,733.50 × 293,546,705.81
  4. Step 4: Simplify right side
    516,595,981.06x = 209,261,149,030,057,920
  5. Step 5: Solve for x
    x = 209,261,149,030,057,920/516,595,981.06
  6. Step 6: Final answer
    x = 405,076,997.70

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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.