Home / 802,261,153.91-1,106,712,938.54-523,965,578.87

Finding the Fourth Proportional to 802,261,153.91, 1,106,712,938.54 and 523,965,578.87

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Solution

The fourth proportional to 802,261,153.91, 1,106,712,938.54 and 523,965,578.87 is: 722,806,386.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,261,153.91 : 1,106,712,938.54 = 523,965,578.87 : x
  2. Step 2: Convert to fraction form
    802,261,153.91/1,106,712,938.54 = 523,965,578.87/x
  3. Step 3: Cross multiply
    802,261,153.91x = 1,106,712,938.54 × 523,965,578.87
  4. Step 4: Simplify right side
    802,261,153.91x = 579,879,485,476,876,544
  5. Step 5: Solve for x
    x = 579,879,485,476,876,544/802,261,153.91
  6. Step 6: Final answer
    x = 722,806,386.24

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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.