Home / 434,553,631-601,263,144.57-378,915,071.74

Finding the Fourth Proportional to 434,553,631, 601,263,144.57 and 378,915,071.74

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Solution

The fourth proportional to 434,553,631, 601,263,144.57 and 378,915,071.74 is: 524,279,746.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,553,631 : 601,263,144.57 = 378,915,071.74 : x
  2. Step 2: Convert to fraction form
    434,553,631/601,263,144.57 = 378,915,071.74/x
  3. Step 3: Cross multiply
    434,553,631x = 601,263,144.57 × 378,915,071.74
  4. Step 4: Simplify right side
    434,553,631x = 227,827,667,559,359,552
  5. Step 5: Solve for x
    x = 227,827,667,559,359,552/434,553,631
  6. Step 6: Final answer
    x = 524,279,746.63

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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.