Home / 397,943,325.84-549,163,968.24-230,778,699.36

Finding the Fourth Proportional to 397,943,325.84, 549,163,968.24 and 230,778,699.36

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Solution

The fourth proportional to 397,943,325.84, 549,163,968.24 and 230,778,699.36 is: 318,475,868.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,943,325.84 : 549,163,968.24 = 230,778,699.36 : x
  2. Step 2: Convert to fraction form
    397,943,325.84/549,163,968.24 = 230,778,699.36/x
  3. Step 3: Cross multiply
    397,943,325.84x = 549,163,968.24 × 230,778,699.36
  4. Step 4: Simplify right side
    397,943,325.84x = 126,735,346,325,803,552
  5. Step 5: Solve for x
    x = 126,735,346,325,803,552/397,943,325.84
  6. Step 6: Final answer
    x = 318,475,868.54

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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.