Home / 370,893,725.60-556,706,740.08-278,455,955.36

Finding the Fourth Proportional to 370,893,725.60, 556,706,740.08 and 278,455,955.36

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Solution

The fourth proportional to 370,893,725.60, 556,706,740.08 and 278,455,955.36 is: 417,958,828.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,893,725.60 : 556,706,740.08 = 278,455,955.36 : x
  2. Step 2: Convert to fraction form
    370,893,725.60/556,706,740.08 = 278,455,955.36/x
  3. Step 3: Cross multiply
    370,893,725.60x = 556,706,740.08 × 278,455,955.36
  4. Step 4: Simplify right side
    370,893,725.60x = 155,018,307,164,327,616
  5. Step 5: Solve for x
    x = 155,018,307,164,327,616/370,893,725.60
  6. Step 6: Final answer
    x = 417,958,828.81

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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.