Home / 434,553,630-601,263,143.19-378,915,070.74

Finding the Fourth Proportional to 434,553,630, 601,263,143.19 and 378,915,070.74

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Solution

The fourth proportional to 434,553,630, 601,263,143.19 and 378,915,070.74 is: 524,279,745.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,553,630 : 601,263,143.19 = 378,915,070.74 : x
  2. Step 2: Convert to fraction form
    434,553,630/601,263,143.19 = 378,915,070.74/x
  3. Step 3: Cross multiply
    434,553,630x = 601,263,143.19 × 378,915,070.74
  4. Step 4: Simplify right side
    434,553,630x = 227,827,666,435,193,632
  5. Step 5: Solve for x
    x = 227,827,666,435,193,632/434,553,630
  6. Step 6: Final answer
    x = 524,279,745.25

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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.