Home / 459,104,904.80-688,841,907.60-186,497,007.20

Finding the Fourth Proportional to 459,104,904.80, 688,841,907.60 and 186,497,007.20

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Solution

The fourth proportional to 459,104,904.80, 688,841,907.60 and 186,497,007.20 is: 279,820,478.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,104,904.80 : 688,841,907.60 = 186,497,007.20 : x
  2. Step 2: Convert to fraction form
    459,104,904.80/688,841,907.60 = 186,497,007.20/x
  3. Step 3: Cross multiply
    459,104,904.80x = 688,841,907.60 × 186,497,007.20
  4. Step 4: Simplify right side
    459,104,904.80x = 128,466,954,201,338,928
  5. Step 5: Solve for x
    x = 128,466,954,201,338,928/459,104,904.80
  6. Step 6: Final answer
    x = 279,820,478.63

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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.