Home / 299,727,009.10-449,590,513.65-286,812,992.80

Finding the Fourth Proportional to 299,727,009.10, 449,590,513.65 and 286,812,992.80

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Solution

The fourth proportional to 299,727,009.10, 449,590,513.65 and 286,812,992.80 is: 430,219,489.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,727,009.10 : 449,590,513.65 = 286,812,992.80 : x
  2. Step 2: Convert to fraction form
    299,727,009.10/449,590,513.65 = 286,812,992.80/x
  3. Step 3: Cross multiply
    299,727,009.10x = 449,590,513.65 × 286,812,992.80
  4. Step 4: Simplify right side
    299,727,009.10x = 128,948,400,754,445,744
  5. Step 5: Solve for x
    x = 128,948,400,754,445,744/299,727,009.10
  6. Step 6: Final answer
    x = 430,219,489.20

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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.