Home / 1,322,850,061.71-1,825,518,598.15-728,121,830.67

Finding the Fourth Proportional to 1,322,850,061.71, 1,825,518,598.15 and 728,121,830.67

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Solution

The fourth proportional to 1,322,850,061.71, 1,825,518,598.15 and 728,121,830.67 is: 1,004,800,152.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,850,061.71 : 1,825,518,598.15 = 728,121,830.67 : x
  2. Step 2: Convert to fraction form
    1,322,850,061.71/1,825,518,598.15 = 728,121,830.67/x
  3. Step 3: Cross multiply
    1,322,850,061.71x = 1,825,518,598.15 × 728,121,830.67
  4. Step 4: Simplify right side
    1,322,850,061.71x = 1,329,199,943,603,469,312
  5. Step 5: Solve for x
    x = 1,329,199,943,603,469,312/1,322,850,061.71
  6. Step 6: Final answer
    x = 1,004,800,152.40

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Double scale
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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.