Home / 870,733,742.40-1,201,567,214.88-540,701,847.36

Finding the Fourth Proportional to 870,733,742.40, 1,201,567,214.88 and 540,701,847.36

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Solution

The fourth proportional to 870,733,742.40, 1,201,567,214.88 and 540,701,847.36 is: 746,140,388.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,733,742.40 : 1,201,567,214.88 = 540,701,847.36 : x
  2. Step 2: Convert to fraction form
    870,733,742.40/1,201,567,214.88 = 540,701,847.36/x
  3. Step 3: Cross multiply
    870,733,742.40x = 1,201,567,214.88 × 540,701,847.36
  4. Step 4: Simplify right side
    870,733,742.40x = 649,689,612,812,826,112
  5. Step 5: Solve for x
    x = 649,689,612,812,826,112/870,733,742.40
  6. Step 6: Final answer
    x = 746,140,388.48

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.