Home / 1,248,834,738.18-1,872,525,993.56-472,540,367.46

Finding the Fourth Proportional to 1,248,834,738.18, 1,872,525,993.56 and 472,540,367.46

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Solution

The fourth proportional to 1,248,834,738.18, 1,872,525,993.56 and 472,540,367.46 is: 708,535,800.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,834,738.18 : 1,872,525,993.56 = 472,540,367.46 : x
  2. Step 2: Convert to fraction form
    1,248,834,738.18/1,872,525,993.56 = 472,540,367.46/x
  3. Step 3: Cross multiply
    1,248,834,738.18x = 1,872,525,993.56 × 472,540,367.46
  4. Step 4: Simplify right side
    1,248,834,738.18x = 884,844,121,075,243,904
  5. Step 5: Solve for x
    x = 884,844,121,075,243,904/1,248,834,738.18
  6. Step 6: Final answer
    x = 708,535,800.63

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Double scale
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1.5x scale

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.