Home / 870,984,014.40-1,306,476,021.60-580,746,369.60

Finding the Fourth Proportional to 870,984,014.40, 1,306,476,021.60 and 580,746,369.60

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Solution

The fourth proportional to 870,984,014.40, 1,306,476,021.60 and 580,746,369.60 is: 871,119,554.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,984,014.40 : 1,306,476,021.60 = 580,746,369.60 : x
  2. Step 2: Convert to fraction form
    870,984,014.40/1,306,476,021.60 = 580,746,369.60/x
  3. Step 3: Cross multiply
    870,984,014.40x = 1,306,476,021.60 × 580,746,369.60
  4. Step 4: Simplify right side
    870,984,014.40x = 758,731,206,513,651,200
  5. Step 5: Solve for x
    x = 758,731,206,513,651,200/870,984,014.40
  6. Step 6: Final answer
    x = 871,119,554.40

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Double scale
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Similar ratio
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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.