Home / 386,604,725.07-533,626,944.04-252,662,790.45

Finding the Fourth Proportional to 386,604,725.07, 533,626,944.04 and 252,662,790.45

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Solution

The fourth proportional to 386,604,725.07, 533,626,944.04 and 252,662,790.45 is: 348,748,124.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,604,725.07 : 533,626,944.04 = 252,662,790.45 : x
  2. Step 2: Convert to fraction form
    386,604,725.07/533,626,944.04 = 252,662,790.45/x
  3. Step 3: Cross multiply
    386,604,725.07x = 533,626,944.04 × 252,662,790.45
  4. Step 4: Simplify right side
    386,604,725.07x = 134,827,672,739,189,088
  5. Step 5: Solve for x
    x = 134,827,672,739,189,088/386,604,725.07
  6. Step 6: Final answer
    x = 348,748,124.37

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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.