Home / 370,893,728.60-556,706,744.58-278,455,958.36

Finding the Fourth Proportional to 370,893,728.60, 556,706,744.58 and 278,455,958.36

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Solution

The fourth proportional to 370,893,728.60, 556,706,744.58 and 278,455,958.36 is: 417,958,833.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,893,728.60 : 556,706,744.58 = 278,455,958.36 : x
  2. Step 2: Convert to fraction form
    370,893,728.60/556,706,744.58 = 278,455,958.36/x
  3. Step 3: Cross multiply
    370,893,728.60x = 556,706,744.58 × 278,455,958.36
  4. Step 4: Simplify right side
    370,893,728.60x = 155,018,310,087,499,648
  5. Step 5: Solve for x
    x = 155,018,310,087,499,648/370,893,728.60
  6. Step 6: Final answer
    x = 417,958,833.31

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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.