Home / 298,574,876.40-447,862,314.60-169,434,713.40

Finding the Fourth Proportional to 298,574,876.40, 447,862,314.60 and 169,434,713.40

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Solution

The fourth proportional to 298,574,876.40, 447,862,314.60 and 169,434,713.40 is: 254,152,070.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,574,876.40 : 447,862,314.60 = 169,434,713.40 : x
  2. Step 2: Convert to fraction form
    298,574,876.40/447,862,314.60 = 169,434,713.40/x
  3. Step 3: Cross multiply
    298,574,876.40x = 447,862,314.60 × 169,434,713.40
  4. Step 4: Simplify right side
    298,574,876.40x = 75,883,422,916,911,648
  5. Step 5: Solve for x
    x = 75,883,422,916,911,648/298,574,876.40
  6. Step 6: Final answer
    x = 254,152,070.10

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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.