Home / 580,613,102.60-870,919,653.90-217,060,219.40

Finding the Fourth Proportional to 580,613,102.60, 870,919,653.90 and 217,060,219.40

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Solution

The fourth proportional to 580,613,102.60, 870,919,653.90 and 217,060,219.40 is: 325,590,329.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,613,102.60 : 870,919,653.90 = 217,060,219.40 : x
  2. Step 2: Convert to fraction form
    580,613,102.60/870,919,653.90 = 217,060,219.40/x
  3. Step 3: Cross multiply
    580,613,102.60x = 870,919,653.90 × 217,060,219.40
  4. Step 4: Simplify right side
    580,613,102.60x = 189,042,011,155,306,080
  5. Step 5: Solve for x
    x = 189,042,011,155,306,080/580,613,102.60
  6. Step 6: Final answer
    x = 325,590,329.10

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1.5x scale

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.