Home / 315,425,411.40-473,138,117.10-223,592,406.60

Finding the Fourth Proportional to 315,425,411.40, 473,138,117.10 and 223,592,406.60

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Solution

The fourth proportional to 315,425,411.40, 473,138,117.10 and 223,592,406.60 is: 335,388,609.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,425,411.40 : 473,138,117.10 = 223,592,406.60 : x
  2. Step 2: Convert to fraction form
    315,425,411.40/473,138,117.10 = 223,592,406.60/x
  3. Step 3: Cross multiply
    315,425,411.40x = 473,138,117.10 × 223,592,406.60
  4. Step 4: Simplify right side
    315,425,411.40x = 105,790,090,256,581,616
  5. Step 5: Solve for x
    x = 105,790,090,256,581,616/315,425,411.40
  6. Step 6: Final answer
    x = 335,388,609.90

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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.