Home / 905,965,696.49-1,250,213,058.32-524,503,815.48

Finding the Fourth Proportional to 905,965,696.49, 1,250,213,058.32 and 524,503,815.48

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Solution

The fourth proportional to 905,965,696.49, 1,250,213,058.32 and 524,503,815.48 is: 723,803,916.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,965,696.49 : 1,250,213,058.32 = 524,503,815.48 : x
  2. Step 2: Convert to fraction form
    905,965,696.49/1,250,213,058.32 = 524,503,815.48/x
  3. Step 3: Cross multiply
    905,965,696.49x = 1,250,213,058.32 × 524,503,815.48
  4. Step 4: Simplify right side
    905,965,696.49x = 655,741,519,249,137,280
  5. Step 5: Solve for x
    x = 655,741,519,249,137,280/905,965,696.49
  6. Step 6: Final answer
    x = 723,803,916.41

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Double scale
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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.