Home / 1,278,779,202.90-1,764,696,672.54-714,272,117.22

Finding the Fourth Proportional to 1,278,779,202.90, 1,764,696,672.54 and 714,272,117.22

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Solution

The fourth proportional to 1,278,779,202.90, 1,764,696,672.54 and 714,272,117.22 is: 985,685,117.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,779,202.90 : 1,764,696,672.54 = 714,272,117.22 : x
  2. Step 2: Convert to fraction form
    1,278,779,202.90/1,764,696,672.54 = 714,272,117.22/x
  3. Step 3: Cross multiply
    1,278,779,202.90x = 1,764,696,672.54 × 714,272,117.22
  4. Step 4: Simplify right side
    1,278,779,202.90x = 1,260,473,628,546,234,880
  5. Step 5: Solve for x
    x = 1,260,473,628,546,234,880/1,278,779,202.90
  6. Step 6: Final answer
    x = 985,685,117.25

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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.