Home / 278,841,341.61-417,879,370.58-176,422,032.81

Finding the Fourth Proportional to 278,841,341.61, 417,879,370.58 and 176,422,032.81

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Solution

The fourth proportional to 278,841,341.61, 417,879,370.58 and 176,422,032.81 is: 264,390,952.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,841,341.61 : 417,879,370.58 = 176,422,032.81 : x
  2. Step 2: Convert to fraction form
    278,841,341.61/417,879,370.58 = 176,422,032.81/x
  3. Step 3: Cross multiply
    278,841,341.61x = 417,879,370.58 × 176,422,032.81
  4. Step 4: Simplify right side
    278,841,341.61x = 73,723,128,026,204,800
  5. Step 5: Solve for x
    x = 73,723,128,026,204,800/278,841,341.61
  6. Step 6: Final answer
    x = 264,390,952.94

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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.