Home / 772,937,346.40-1,159,406,019.60-528,049,333.60

Finding the Fourth Proportional to 772,937,346.40, 1,159,406,019.60 and 528,049,333.60

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Solution

The fourth proportional to 772,937,346.40, 1,159,406,019.60 and 528,049,333.60 is: 792,074,000.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,937,346.40 : 1,159,406,019.60 = 528,049,333.60 : x
  2. Step 2: Convert to fraction form
    772,937,346.40/1,159,406,019.60 = 528,049,333.60/x
  3. Step 3: Cross multiply
    772,937,346.40x = 1,159,406,019.60 × 528,049,333.60
  4. Step 4: Simplify right side
    772,937,346.40x = 612,223,576,021,608,576
  5. Step 5: Solve for x
    x = 612,223,576,021,608,576/772,937,346.40
  6. Step 6: Final answer
    x = 792,074,000.40

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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.