Home / 898,346,768.10-1,347,520,152.15-438,048,003.30

Finding the Fourth Proportional to 898,346,768.10, 1,347,520,152.15 and 438,048,003.30

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Solution

The fourth proportional to 898,346,768.10, 1,347,520,152.15 and 438,048,003.30 is: 657,072,004.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,346,768.10 : 1,347,520,152.15 = 438,048,003.30 : x
  2. Step 2: Convert to fraction form
    898,346,768.10/1,347,520,152.15 = 438,048,003.30/x
  3. Step 3: Cross multiply
    898,346,768.10x = 1,347,520,152.15 × 438,048,003.30
  4. Step 4: Simplify right side
    898,346,768.10x = 590,278,512,055,819,776
  5. Step 5: Solve for x
    x = 590,278,512,055,819,776/898,346,768.10
  6. Step 6: Final answer
    x = 657,072,004.95

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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.