Home / 370,893,727.60-556,706,743.08-278,455,957.36

Finding the Fourth Proportional to 370,893,727.60, 556,706,743.08 and 278,455,957.36

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Solution

The fourth proportional to 370,893,727.60, 556,706,743.08 and 278,455,957.36 is: 417,958,831.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,893,727.60 : 556,706,743.08 = 278,455,957.36 : x
  2. Step 2: Convert to fraction form
    370,893,727.60/556,706,743.08 = 278,455,957.36/x
  3. Step 3: Cross multiply
    370,893,727.60x = 556,706,743.08 × 278,455,957.36
  4. Step 4: Simplify right side
    370,893,727.60x = 155,018,309,113,108,960
  5. Step 5: Solve for x
    x = 155,018,309,113,108,960/370,893,727.60
  6. Step 6: Final answer
    x = 417,958,831.81

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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.