Home / 830,090,851.20-1,245,136,276.80-597,638,557.80

Finding the Fourth Proportional to 830,090,851.20, 1,245,136,276.80 and 597,638,557.80

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Solution

The fourth proportional to 830,090,851.20, 1,245,136,276.80 and 597,638,557.80 is: 896,457,836.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,090,851.20 : 1,245,136,276.80 = 597,638,557.80 : x
  2. Step 2: Convert to fraction form
    830,090,851.20/1,245,136,276.80 = 597,638,557.80/x
  3. Step 3: Cross multiply
    830,090,851.20x = 1,245,136,276.80 × 597,638,557.80
  4. Step 4: Simplify right side
    830,090,851.20x = 744,141,448,731,213,568
  5. Step 5: Solve for x
    x = 744,141,448,731,213,568/830,090,851.20
  6. Step 6: Final answer
    x = 896,457,836.70

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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.