Home / 772,937,339.90-1,159,406,009.85-528,049,327.10

Finding the Fourth Proportional to 772,937,339.90, 1,159,406,009.85 and 528,049,327.10

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Solution

The fourth proportional to 772,937,339.90, 1,159,406,009.85 and 528,049,327.10 is: 792,073,990.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,937,339.90 : 1,159,406,009.85 = 528,049,327.10 : x
  2. Step 2: Convert to fraction form
    772,937,339.90/1,159,406,009.85 = 528,049,327.10/x
  3. Step 3: Cross multiply
    772,937,339.90x = 1,159,406,009.85 × 528,049,327.10
  4. Step 4: Simplify right side
    772,937,339.90x = 612,223,563,336,988,416
  5. Step 5: Solve for x
    x = 612,223,563,336,988,416/772,937,339.90
  6. Step 6: Final answer
    x = 792,073,990.65

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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.