Home / 425,458,899.95-638,254,334.15-179,816,568.98

Finding the Fourth Proportional to 425,458,899.95, 638,254,334.15 and 179,816,568.98

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Solution

The fourth proportional to 425,458,899.95, 638,254,334.15 and 179,816,568.98 is: 269,752,741.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,458,899.95 : 638,254,334.15 = 179,816,568.98 : x
  2. Step 2: Convert to fraction form
    425,458,899.95/638,254,334.15 = 179,816,568.98/x
  3. Step 3: Cross multiply
    425,458,899.95x = 638,254,334.15 × 179,816,568.98
  4. Step 4: Simplify right side
    425,458,899.95x = 114,768,704,502,568,352
  5. Step 5: Solve for x
    x = 114,768,704,502,568,352/425,458,899.95
  6. Step 6: Final answer
    x = 269,752,741.14

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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.