Home / 445,840,667.10-615,280,509.27-247,603,055.58

Finding the Fourth Proportional to 445,840,667.10, 615,280,509.27 and 247,603,055.58

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Solution

The fourth proportional to 445,840,667.10, 615,280,509.27 and 247,603,055.58 is: 341,703,539.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,840,667.10 : 615,280,509.27 = 247,603,055.58 : x
  2. Step 2: Convert to fraction form
    445,840,667.10/615,280,509.27 = 247,603,055.58/x
  3. Step 3: Cross multiply
    445,840,667.10x = 615,280,509.27 × 247,603,055.58
  4. Step 4: Simplify right side
    445,840,667.10x = 152,345,334,134,070,528
  5. Step 5: Solve for x
    x = 152,345,334,134,070,528/445,840,667.10
  6. Step 6: Final answer
    x = 341,703,539.80

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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.