Home / 1,493,376,014.40-2,240,064,021.60-977,397,979.20

Finding the Fourth Proportional to 1,493,376,014.40, 2,240,064,021.60 and 977,397,979.20

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Solution

The fourth proportional to 1,493,376,014.40, 2,240,064,021.60 and 977,397,979.20 is: 1,466,096,968.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493,376,014.40 : 2,240,064,021.60 = 977,397,979.20 : x
  2. Step 2: Convert to fraction form
    1,493,376,014.40/2,240,064,021.60 = 977,397,979.20/x
  3. Step 3: Cross multiply
    1,493,376,014.40x = 2,240,064,021.60 × 977,397,979.20
  4. Step 4: Simplify right side
    1,493,376,014.40x = 2,189,434,047,990,465,280
  5. Step 5: Solve for x
    x = 2,189,434,047,990,465,280/1,493,376,014.40
  6. Step 6: Final answer
    x = 1,466,096,968.80

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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.