Home / 938,582,959.09-1,294,655,323.79-556,834,722.60

Finding the Fourth Proportional to 938,582,959.09, 1,294,655,323.79 and 556,834,722.60

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Solution

The fourth proportional to 938,582,959.09, 1,294,655,323.79 and 556,834,722.60 is: 768,082,385.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,582,959.09 : 1,294,655,323.79 = 556,834,722.60 : x
  2. Step 2: Convert to fraction form
    938,582,959.09/1,294,655,323.79 = 556,834,722.60/x
  3. Step 3: Cross multiply
    938,582,959.09x = 1,294,655,323.79 × 556,834,722.60
  4. Step 4: Simplify right side
    938,582,959.09x = 720,909,038,086,609,920
  5. Step 5: Solve for x
    x = 720,909,038,086,609,920/938,582,959.09
  6. Step 6: Final answer
    x = 768,082,385.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.