Home / 278,527,009,429.44-417,872,483,603.46-89,869,365,835.20

Finding the Fourth Proportional to 278,527,009,429.44, 417,872,483,603.46 and 89,869,365,835.20

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Solution

The fourth proportional to 278,527,009,429.44, 417,872,483,603.46 and 89,869,365,835.20 is: 134,830,496,971.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,527,009,429.44 : 417,872,483,603.46 = 89,869,365,835.20 : x
  2. Step 2: Convert to fraction form
    278,527,009,429.44/417,872,483,603.46 = 89,869,365,835.20/x
  3. Step 3: Cross multiply
    278,527,009,429.44x = 417,872,483,603.46 × 89,869,365,835.20
  4. Step 4: Simplify right side
    278,527,009,429.44x = 37,553,935,101,422,961,950,720
  5. Step 5: Solve for x
    x = 37,553,935,101,422,961,950,720/278,527,009,429.44
  6. Step 6: Final answer
    x = 134,830,496,971.74

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1.5x scale

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.