Home / 772,937,307.90-1,159,405,961.85-528,049,295.10

Finding the Fourth Proportional to 772,937,307.90, 1,159,405,961.85 and 528,049,295.10

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Solution

The fourth proportional to 772,937,307.90, 1,159,405,961.85 and 528,049,295.10 is: 792,073,942.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,937,307.90 : 1,159,405,961.85 = 528,049,295.10 : x
  2. Step 2: Convert to fraction form
    772,937,307.90/1,159,405,961.85 = 528,049,295.10/x
  3. Step 3: Cross multiply
    772,937,307.90x = 1,159,405,961.85 × 528,049,295.10
  4. Step 4: Simplify right side
    772,937,307.90x = 612,223,500,889,629,952
  5. Step 5: Solve for x
    x = 612,223,500,889,629,952/772,937,307.90
  6. Step 6: Final answer
    x = 792,073,942.65

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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.