Home / 278,527,009,428.44-417,872,483,601.96-89,869,365,834.20

Finding the Fourth Proportional to 278,527,009,428.44, 417,872,483,601.96 and 89,869,365,834.20

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Solution

The fourth proportional to 278,527,009,428.44, 417,872,483,601.96 and 89,869,365,834.20 is: 134,830,496,970.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,527,009,428.44 : 417,872,483,601.96 = 89,869,365,834.20 : x
  2. Step 2: Convert to fraction form
    278,527,009,428.44/417,872,483,601.96 = 89,869,365,834.20/x
  3. Step 3: Cross multiply
    278,527,009,428.44x = 417,872,483,601.96 × 89,869,365,834.20
  4. Step 4: Simplify right side
    278,527,009,428.44x = 37,553,935,100,870,282,706,944
  5. Step 5: Solve for x
    x = 37,553,935,100,870,282,706,944/278,527,009,428.44
  6. Step 6: Final answer
    x = 134,830,496,970.24

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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.