Home / 756,906,830.03-1,044,531,464.70-417,815,395.26

Finding the Fourth Proportional to 756,906,830.03, 1,044,531,464.70 and 417,815,395.26

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Solution

The fourth proportional to 756,906,830.03, 1,044,531,464.70 and 417,815,395.26 is: 576,585,267.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,906,830.03 : 1,044,531,464.70 = 417,815,395.26 : x
  2. Step 2: Convert to fraction form
    756,906,830.03/1,044,531,464.70 = 417,815,395.26/x
  3. Step 3: Cross multiply
    756,906,830.03x = 1,044,531,464.70 × 417,815,395.26
  4. Step 4: Simplify right side
    756,906,830.03x = 436,421,326,785,137,216
  5. Step 5: Solve for x
    x = 436,421,326,785,137,216/756,906,830.03
  6. Step 6: Final answer
    x = 576,585,267.13

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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.