Home / 654,264,672,058.80-981,397,008,088.20-430,926,804,385.20

Finding the Fourth Proportional to 654,264,672,058.80, 981,397,008,088.20 and 430,926,804,385.20

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Solution

The fourth proportional to 654,264,672,058.80, 981,397,008,088.20 and 430,926,804,385.20 is: 646,390,206,577.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,264,672,058.80 : 981,397,008,088.20 = 430,926,804,385.20 : x
  2. Step 2: Convert to fraction form
    654,264,672,058.80/981,397,008,088.20 = 430,926,804,385.20/x
  3. Step 3: Cross multiply
    654,264,672,058.80x = 981,397,008,088.20 × 430,926,804,385.20
  4. Step 4: Simplify right side
    654,264,672,058.80x = 422,910,276,528,644,317,773,824
  5. Step 5: Solve for x
    x = 422,910,276,528,644,317,773,824/654,264,672,058.80
  6. Step 6: Final answer
    x = 646,390,206,577.80

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Double scale
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1.5x scale

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.