Home / 565,319,378.40-847,349,211.60-220,158,290.40

Finding the Fourth Proportional to 565,319,378.40, 847,349,211.60 and 220,158,290.40

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Solution

The fourth proportional to 565,319,378.40, 847,349,211.60 and 220,158,290.40 is: 329,992,144.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,319,378.40 : 847,349,211.60 = 220,158,290.40 : x
  2. Step 2: Convert to fraction form
    565,319,378.40/847,349,211.60 = 220,158,290.40/x
  3. Step 3: Cross multiply
    565,319,378.40x = 847,349,211.60 × 220,158,290.40
  4. Step 4: Simplify right side
    565,319,378.40x = 186,550,953,797,643,872
  5. Step 5: Solve for x
    x = 186,550,953,797,643,872/565,319,378.40
  6. Step 6: Final answer
    x = 329,992,144.13

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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.