Home / 314,932,352.70-472,398,529.05-185,473,325.10

Finding the Fourth Proportional to 314,932,352.70, 472,398,529.05 and 185,473,325.10

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Solution

The fourth proportional to 314,932,352.70, 472,398,529.05 and 185,473,325.10 is: 278,209,987.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,932,352.70 : 472,398,529.05 = 185,473,325.10 : x
  2. Step 2: Convert to fraction form
    314,932,352.70/472,398,529.05 = 185,473,325.10/x
  3. Step 3: Cross multiply
    314,932,352.70x = 472,398,529.05 × 185,473,325.10
  4. Step 4: Simplify right side
    314,932,352.70x = 87,617,325,955,252,448
  5. Step 5: Solve for x
    x = 87,617,325,955,252,448/314,932,352.70
  6. Step 6: Final answer
    x = 278,209,987.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.