Home / 459,696,021.10-689,544,031.65-368,996,757.10

Finding the Fourth Proportional to 459,696,021.10, 689,544,031.65 and 368,996,757.10

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Solution

The fourth proportional to 459,696,021.10, 689,544,031.65 and 368,996,757.10 is: 553,495,135.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,696,021.10 : 689,544,031.65 = 368,996,757.10 : x
  2. Step 2: Convert to fraction form
    459,696,021.10/689,544,031.65 = 368,996,757.10/x
  3. Step 3: Cross multiply
    459,696,021.10x = 689,544,031.65 × 368,996,757.10
  4. Step 4: Simplify right side
    459,696,021.10x = 254,439,511,556,509,760
  5. Step 5: Solve for x
    x = 254,439,511,556,509,760/459,696,021.10
  6. Step 6: Final answer
    x = 553,495,135.65

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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.