Home / 772,140,697.64-1,051,299,032.60-769,689,052.40

Finding the Fourth Proportional to 772,140,697.64, 1,051,299,032.60 and 769,689,052.40

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Solution

The fourth proportional to 772,140,697.64, 1,051,299,032.60 and 769,689,052.40 is: 1,047,961,024.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,140,697.64 : 1,051,299,032.60 = 769,689,052.40 : x
  2. Step 2: Convert to fraction form
    772,140,697.64/1,051,299,032.60 = 769,689,052.40/x
  3. Step 3: Cross multiply
    772,140,697.64x = 1,051,299,032.60 × 769,689,052.40
  4. Step 4: Simplify right side
    772,140,697.64x = 809,173,356,190,930,688
  5. Step 5: Solve for x
    x = 809,173,356,190,930,688/772,140,697.64
  6. Step 6: Final answer
    x = 1,047,961,024.03

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.