Home / 705,414,025.17-972,035,718.71-545,673,700.80

Finding the Fourth Proportional to 705,414,025.17, 972,035,718.71 and 545,673,700.80

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Solution

The fourth proportional to 705,414,025.17, 972,035,718.71 and 545,673,700.80 is: 751,919,169.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,414,025.17 : 972,035,718.71 = 545,673,700.80 : x
  2. Step 2: Convert to fraction form
    705,414,025.17/972,035,718.71 = 545,673,700.80/x
  3. Step 3: Cross multiply
    705,414,025.17x = 972,035,718.71 × 545,673,700.80
  4. Step 4: Simplify right side
    705,414,025.17x = 530,414,327,935,545,088
  5. Step 5: Solve for x
    x = 530,414,327,935,545,088/705,414,025.17
  6. Step 6: Final answer
    x = 751,919,169.47

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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.