Home / 369,294,470,158.82-553,220,288,743.34-254,407,843,985.54

Finding the Fourth Proportional to 369,294,470,158.82, 553,220,288,743.34 and 254,407,843,985.54

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Solution

The fourth proportional to 369,294,470,158.82, 553,220,288,743.34 and 254,407,843,985.54 is: 381,114,780,429.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,294,470,158.82 : 553,220,288,743.34 = 254,407,843,985.54 : x
  2. Step 2: Convert to fraction form
    369,294,470,158.82/553,220,288,743.34 = 254,407,843,985.54/x
  3. Step 3: Cross multiply
    369,294,470,158.82x = 553,220,288,743.34 × 254,407,843,985.54
  4. Step 4: Simplify right side
    369,294,470,158.82x = 140,743,580,908,251,022,098,432
  5. Step 5: Solve for x
    x = 140,743,580,908,251,022,098,432/369,294,470,158.82
  6. Step 6: Final answer
    x = 381,114,780,429.08

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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.