Home / 684,021,041.15-943,950,427.72-370,755,467.33

Finding the Fourth Proportional to 684,021,041.15, 943,950,427.72 and 370,755,467.33

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Solution

The fourth proportional to 684,021,041.15, 943,950,427.72 and 370,755,467.33 is: 511,643,298.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,021,041.15 : 943,950,427.72 = 370,755,467.33 : x
  2. Step 2: Convert to fraction form
    684,021,041.15/943,950,427.72 = 370,755,467.33/x
  3. Step 3: Cross multiply
    684,021,041.15x = 943,950,427.72 × 370,755,467.33
  4. Step 4: Simplify right side
    684,021,041.15x = 349,974,781,960,035,328
  5. Step 5: Solve for x
    x = 349,974,781,960,035,328/684,021,041.15
  6. Step 6: Final answer
    x = 511,643,298.83

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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.