Home / 314,367,434.70-471,551,152.05-142,180,550.70

Finding the Fourth Proportional to 314,367,434.70, 471,551,152.05 and 142,180,550.70

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Solution

The fourth proportional to 314,367,434.70, 471,551,152.05 and 142,180,550.70 is: 213,270,826.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,367,434.70 : 471,551,152.05 = 142,180,550.70 : x
  2. Step 2: Convert to fraction form
    314,367,434.70/471,551,152.05 = 142,180,550.70/x
  3. Step 3: Cross multiply
    314,367,434.70x = 471,551,152.05 × 142,180,550.70
  4. Step 4: Simplify right side
    314,367,434.70x = 67,045,402,481,688,432
  5. Step 5: Solve for x
    x = 67,045,402,481,688,432/314,367,434.70
  6. Step 6: Final answer
    x = 213,270,826.05

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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.