Home / 242,903,386.80-364,355,080.20-219,472,743.60

Finding the Fourth Proportional to 242,903,386.80, 364,355,080.20 and 219,472,743.60

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Solution

The fourth proportional to 242,903,386.80, 364,355,080.20 and 219,472,743.60 is: 329,209,115.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,903,386.80 : 364,355,080.20 = 219,472,743.60 : x
  2. Step 2: Convert to fraction form
    242,903,386.80/364,355,080.20 = 219,472,743.60/x
  3. Step 3: Cross multiply
    242,903,386.80x = 364,355,080.20 × 219,472,743.60
  4. Step 4: Simplify right side
    242,903,386.80x = 79,966,009,096,092,032
  5. Step 5: Solve for x
    x = 79,966,009,096,092,032/242,903,386.80
  6. Step 6: Final answer
    x = 329,209,115.40

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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.