Home / 610,719,784.40-916,079,676.60-438,532,900.40

Finding the Fourth Proportional to 610,719,784.40, 916,079,676.60 and 438,532,900.40

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Solution

The fourth proportional to 610,719,784.40, 916,079,676.60 and 438,532,900.40 is: 657,799,350.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,719,784.40 : 916,079,676.60 = 438,532,900.40 : x
  2. Step 2: Convert to fraction form
    610,719,784.40/916,079,676.60 = 438,532,900.40/x
  3. Step 3: Cross multiply
    610,719,784.40x = 916,079,676.60 × 438,532,900.40
  4. Step 4: Simplify right side
    610,719,784.40x = 401,731,077,576,891,968
  5. Step 5: Solve for x
    x = 401,731,077,576,891,968/610,719,784.40
  6. Step 6: Final answer
    x = 657,799,350.60

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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.