Home / 933,121,972.48-1,287,747,442.88-536,645,271.60

Finding the Fourth Proportional to 933,121,972.48, 1,287,747,442.88 and 536,645,271.60

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Solution

The fourth proportional to 933,121,972.48, 1,287,747,442.88 and 536,645,271.60 is: 740,592,973.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,121,972.48 : 1,287,747,442.88 = 536,645,271.60 : x
  2. Step 2: Convert to fraction form
    933,121,972.48/1,287,747,442.88 = 536,645,271.60/x
  3. Step 3: Cross multiply
    933,121,972.48x = 1,287,747,442.88 × 536,645,271.60
  4. Step 4: Simplify right side
    933,121,972.48x = 691,063,576,236,543,232
  5. Step 5: Solve for x
    x = 691,063,576,236,543,232/933,121,972.48
  6. Step 6: Final answer
    x = 740,592,973.50

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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.