Home / 345,881,751.80-477,313,278.54-191,358,185.72

Finding the Fourth Proportional to 345,881,751.80, 477,313,278.54 and 191,358,185.72

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Solution

The fourth proportional to 345,881,751.80, 477,313,278.54 and 191,358,185.72 is: 264,072,338.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,881,751.80 : 477,313,278.54 = 191,358,185.72 : x
  2. Step 2: Convert to fraction form
    345,881,751.80/477,313,278.54 = 191,358,185.72/x
  3. Step 3: Cross multiply
    345,881,751.80x = 477,313,278.54 × 191,358,185.72
  4. Step 4: Simplify right side
    345,881,751.80x = 91,337,803,001,479,408
  5. Step 5: Solve for x
    x = 91,337,803,001,479,408/345,881,751.80
  6. Step 6: Final answer
    x = 264,072,338.38

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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.