Home / 1,217,518,751.68-1,826,256,753.60-843,681,895.36

Finding the Fourth Proportional to 1,217,518,751.68, 1,826,256,753.60 and 843,681,895.36

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Solution

The fourth proportional to 1,217,518,751.68, 1,826,256,753.60 and 843,681,895.36 is: 1,265,508,031.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,518,751.68 : 1,826,256,753.60 = 843,681,895.36 : x
  2. Step 2: Convert to fraction form
    1,217,518,751.68/1,826,256,753.60 = 843,681,895.36/x
  3. Step 3: Cross multiply
    1,217,518,751.68x = 1,826,256,753.60 × 843,681,895.36
  4. Step 4: Simplify right side
    1,217,518,751.68x = 1,540,779,759,291,248,384
  5. Step 5: Solve for x
    x = 1,540,779,759,291,248,384/1,217,518,751.68
  6. Step 6: Final answer
    x = 1,265,508,031.94

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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.