Home / 1,424,257,438.40-2,136,386,157.60-801,833,739.20

Finding the Fourth Proportional to 1,424,257,438.40, 2,136,386,157.60 and 801,833,739.20

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Solution

The fourth proportional to 1,424,257,438.40, 2,136,386,157.60 and 801,833,739.20 is: 1,202,750,608.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,257,438.40 : 2,136,386,157.60 = 801,833,739.20 : x
  2. Step 2: Convert to fraction form
    1,424,257,438.40/2,136,386,157.60 = 801,833,739.20/x
  3. Step 3: Cross multiply
    1,424,257,438.40x = 2,136,386,157.60 × 801,833,739.20
  4. Step 4: Simplify right side
    1,424,257,438.40x = 1,713,026,501,123,528,448
  5. Step 5: Solve for x
    x = 1,713,026,501,123,528,448/1,424,257,438.40
  6. Step 6: Final answer
    x = 1,202,750,608.80

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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.