Home / 419,110,417.77-578,346,316.56-230,928,180.78

Finding the Fourth Proportional to 419,110,417.77, 578,346,316.56 and 230,928,180.78

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Solution

The fourth proportional to 419,110,417.77, 578,346,316.56 and 230,928,180.78 is: 318,666,530.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,110,417.77 : 578,346,316.56 = 230,928,180.78 : x
  2. Step 2: Convert to fraction form
    419,110,417.77/578,346,316.56 = 230,928,180.78/x
  3. Step 3: Cross multiply
    419,110,417.77x = 578,346,316.56 × 230,928,180.78
  4. Step 4: Simplify right side
    419,110,417.77x = 133,556,462,741,547,840
  5. Step 5: Solve for x
    x = 133,556,462,741,547,840/419,110,417.77
  6. Step 6: Final answer
    x = 318,666,530.53

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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.