Home / 1,148,725,920.98-1,585,199,919.06-640,062,352.49

Finding the Fourth Proportional to 1,148,725,920.98, 1,585,199,919.06 and 640,062,352.49

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Solution

The fourth proportional to 1,148,725,920.98, 1,585,199,919.06 and 640,062,352.49 is: 883,262,726.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,725,920.98 : 1,585,199,919.06 = 640,062,352.49 : x
  2. Step 2: Convert to fraction form
    1,148,725,920.98/1,585,199,919.06 = 640,062,352.49/x
  3. Step 3: Cross multiply
    1,148,725,920.98x = 1,585,199,919.06 × 640,062,352.49
  4. Step 4: Simplify right side
    1,148,725,920.98x = 1,014,626,789,354,937,856
  5. Step 5: Solve for x
    x = 1,014,626,789,354,937,856/1,148,725,920.98
  6. Step 6: Final answer
    x = 883,262,726.84

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1.5x scale

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.