Home / 1,188,495,453.60-1,782,743,180.40-607,364,720.10

Finding the Fourth Proportional to 1,188,495,453.60, 1,782,743,180.40 and 607,364,720.10

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Solution

The fourth proportional to 1,188,495,453.60, 1,782,743,180.40 and 607,364,720.10 is: 911,047,080.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,495,453.60 : 1,782,743,180.40 = 607,364,720.10 : x
  2. Step 2: Convert to fraction form
    1,188,495,453.60/1,782,743,180.40 = 607,364,720.10/x
  3. Step 3: Cross multiply
    1,188,495,453.60x = 1,782,743,180.40 × 607,364,720.10
  4. Step 4: Simplify right side
    1,188,495,453.60x = 1,082,775,312,773,829,888
  5. Step 5: Solve for x
    x = 1,082,775,312,773,829,888/1,188,495,453.60
  6. Step 6: Final answer
    x = 911,047,080.15

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Double scale
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Similar ratio
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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.