Home / 278,870,591.36-384,922,445.76-186,050,869.76

Finding the Fourth Proportional to 278,870,591.36, 384,922,445.76 and 186,050,869.76

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Solution

The fourth proportional to 278,870,591.36, 384,922,445.76 and 186,050,869.76 is: 256,804,259.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,870,591.36 : 384,922,445.76 = 186,050,869.76 : x
  2. Step 2: Convert to fraction form
    278,870,591.36/384,922,445.76 = 186,050,869.76/x
  3. Step 3: Cross multiply
    278,870,591.36x = 384,922,445.76 × 186,050,869.76
  4. Step 4: Simplify right side
    278,870,591.36x = 71,615,155,823,794,416
  5. Step 5: Solve for x
    x = 71,615,155,823,794,416/278,870,591.36
  6. Step 6: Final answer
    x = 256,804,259.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.