Home / 829,323,572.61-1,243,990,009.35-276,624,483.69

Finding the Fourth Proportional to 829,323,572.61, 1,243,990,009.35 and 276,624,483.69

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Solution

The fourth proportional to 829,323,572.61, 1,243,990,009.35 and 276,624,483.69 is: 414,938,276.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,323,572.61 : 1,243,990,009.35 = 276,624,483.69 : x
  2. Step 2: Convert to fraction form
    829,323,572.61/1,243,990,009.35 = 276,624,483.69/x
  3. Step 3: Cross multiply
    829,323,572.61x = 1,243,990,009.35 × 276,624,483.69
  4. Step 4: Simplify right side
    829,323,572.61x = 344,118,094,053,118,912
  5. Step 5: Solve for x
    x = 344,118,094,053,118,912/829,323,572.61
  6. Step 6: Final answer
    x = 414,938,276.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.