Home / 1,015,328,327.99-1,400,637,402.25-663,110,490.83

Finding the Fourth Proportional to 1,015,328,327.99, 1,400,637,402.25 and 663,110,490.83

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Solution

The fourth proportional to 1,015,328,327.99, 1,400,637,402.25 and 663,110,490.83 is: 914,755,680.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,328,327.99 : 1,400,637,402.25 = 663,110,490.83 : x
  2. Step 2: Convert to fraction form
    1,015,328,327.99/1,400,637,402.25 = 663,110,490.83/x
  3. Step 3: Cross multiply
    1,015,328,327.99x = 1,400,637,402.25 × 663,110,490.83
  4. Step 4: Simplify right side
    1,015,328,327.99x = 928,777,355,272,192,768
  5. Step 5: Solve for x
    x = 928,777,355,272,192,768/1,015,328,327.99
  6. Step 6: Final answer
    x = 914,755,680.18

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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.