Home / 807,643,126.80-1,210,508,096.40-602,932,053.60

Finding the Fourth Proportional to 807,643,126.80, 1,210,508,096.40 and 602,932,053.60

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Solution

The fourth proportional to 807,643,126.80, 1,210,508,096.40 and 602,932,053.60 is: 903,683,951.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,643,126.80 : 1,210,508,096.40 = 602,932,053.60 : x
  2. Step 2: Convert to fraction form
    807,643,126.80/1,210,508,096.40 = 602,932,053.60/x
  3. Step 3: Cross multiply
    807,643,126.80x = 1,210,508,096.40 × 602,932,053.60
  4. Step 4: Simplify right side
    807,643,126.80x = 729,854,132,461,878,912
  5. Step 5: Solve for x
    x = 729,854,132,461,878,912/807,643,126.80
  6. Step 6: Final answer
    x = 903,683,951.79

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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.