Home / 1,257,768,255.42-1,735,849,352.52-756,139,436.64

Finding the Fourth Proportional to 1,257,768,255.42, 1,735,849,352.52 and 756,139,436.64

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Solution

The fourth proportional to 1,257,768,255.42, 1,735,849,352.52 and 756,139,436.64 is: 1,043,550,070.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,768,255.42 : 1,735,849,352.52 = 756,139,436.64 : x
  2. Step 2: Convert to fraction form
    1,257,768,255.42/1,735,849,352.52 = 756,139,436.64/x
  3. Step 3: Cross multiply
    1,257,768,255.42x = 1,735,849,352.52 × 756,139,436.64
  4. Step 4: Simplify right side
    1,257,768,255.42x = 1,312,544,151,506,381,568
  5. Step 5: Solve for x
    x = 1,312,544,151,506,381,568/1,257,768,255.42
  6. Step 6: Final answer
    x = 1,043,550,070.41

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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.