Home / 565,319,408.40-847,349,256.60-220,158,320.40

Finding the Fourth Proportional to 565,319,408.40, 847,349,256.60 and 220,158,320.40

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Solution

The fourth proportional to 565,319,408.40, 847,349,256.60 and 220,158,320.40 is: 329,992,189.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,319,408.40 : 847,349,256.60 = 220,158,320.40 : x
  2. Step 2: Convert to fraction form
    565,319,408.40/847,349,256.60 = 220,158,320.40/x
  3. Step 3: Cross multiply
    565,319,408.40x = 847,349,256.60 × 220,158,320.40
  4. Step 4: Simplify right side
    565,319,408.40x = 186,550,989,125,244,640
  5. Step 5: Solve for x
    x = 186,550,989,125,244,640/565,319,408.40
  6. Step 6: Final answer
    x = 329,992,189.11

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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.