Home / 652,397,629.74-900,498,442.78-426,370,615.43

Finding the Fourth Proportional to 652,397,629.74, 900,498,442.78 and 426,370,615.43

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Solution

The fourth proportional to 652,397,629.74, 900,498,442.78 and 426,370,615.43 is: 588,515,435.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,397,629.74 : 900,498,442.78 = 426,370,615.43 : x
  2. Step 2: Convert to fraction form
    652,397,629.74/900,498,442.78 = 426,370,615.43/x
  3. Step 3: Cross multiply
    652,397,629.74x = 900,498,442.78 × 426,370,615.43
  4. Step 4: Simplify right side
    652,397,629.74x = 383,946,075,235,495,232
  5. Step 5: Solve for x
    x = 383,946,075,235,495,232/652,397,629.74
  6. Step 6: Final answer
    x = 588,515,435.57

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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.