Home / 1,345,701,524.36-2,018,538,829.74-425,578,019.72

Finding the Fourth Proportional to 1,345,701,524.36, 2,018,538,829.74 and 425,578,019.72

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Solution

The fourth proportional to 1,345,701,524.36, 2,018,538,829.74 and 425,578,019.72 is: 638,362,773.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,701,524.36 : 2,018,538,829.74 = 425,578,019.72 : x
  2. Step 2: Convert to fraction form
    1,345,701,524.36/2,018,538,829.74 = 425,578,019.72/x
  3. Step 3: Cross multiply
    1,345,701,524.36x = 2,018,538,829.74 × 425,578,019.72
  4. Step 4: Simplify right side
    1,345,701,524.36x = 859,045,757,888,675,456
  5. Step 5: Solve for x
    x = 859,045,757,888,675,456/1,345,701,524.36
  6. Step 6: Final answer
    x = 638,362,773.87

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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.