Home / 748,033,771.20-1,122,050,656.80-421,516,420.80

Finding the Fourth Proportional to 748,033,771.20, 1,122,050,656.80 and 421,516,420.80

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Solution

The fourth proportional to 748,033,771.20, 1,122,050,656.80 and 421,516,420.80 is: 632,274,631.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,033,771.20 : 1,122,050,656.80 = 421,516,420.80 : x
  2. Step 2: Convert to fraction form
    748,033,771.20/1,122,050,656.80 = 421,516,420.80/x
  3. Step 3: Cross multiply
    748,033,771.20x = 1,122,050,656.80 × 421,516,420.80
  4. Step 4: Simplify right side
    748,033,771.20x = 472,962,776,810,625,152
  5. Step 5: Solve for x
    x = 472,962,776,810,625,152/748,033,771.20
  6. Step 6: Final answer
    x = 632,274,631.20

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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.