Home / 230,688,005.20-346,032,007.80-215,459,486.80

Finding the Fourth Proportional to 230,688,005.20, 346,032,007.80 and 215,459,486.80

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Solution

The fourth proportional to 230,688,005.20, 346,032,007.80 and 215,459,486.80 is: 323,189,230.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,688,005.20 : 346,032,007.80 = 215,459,486.80 : x
  2. Step 2: Convert to fraction form
    230,688,005.20/346,032,007.80 = 215,459,486.80/x
  3. Step 3: Cross multiply
    230,688,005.20x = 346,032,007.80 × 215,459,486.80
  4. Step 4: Simplify right side
    230,688,005.20x = 74,555,878,816,961,600
  5. Step 5: Solve for x
    x = 74,555,878,816,961,600/230,688,005.20
  6. Step 6: Final answer
    x = 323,189,230.20

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1.5x scale

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.