Home / 486,562,669.95-671,421,625.92-285,627,703.02

Finding the Fourth Proportional to 486,562,669.95, 671,421,625.92 and 285,627,703.02

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Solution

The fourth proportional to 486,562,669.95, 671,421,625.92 and 285,627,703.02 is: 394,145,767.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,562,669.95 : 671,421,625.92 = 285,627,703.02 : x
  2. Step 2: Convert to fraction form
    486,562,669.95/671,421,625.92 = 285,627,703.02/x
  3. Step 3: Cross multiply
    486,562,669.95x = 671,421,625.92 × 285,627,703.02
  4. Step 4: Simplify right side
    486,562,669.95x = 191,776,616,769,483,264
  5. Step 5: Solve for x
    x = 191,776,616,769,483,264/486,562,669.95
  6. Step 6: Final answer
    x = 394,145,767.06

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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.