Home / 459,775,999.40-689,663,999.10-441,636,146.60

Finding the Fourth Proportional to 459,775,999.40, 689,663,999.10 and 441,636,146.60

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Solution

The fourth proportional to 459,775,999.40, 689,663,999.10 and 441,636,146.60 is: 662,454,219.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,775,999.40 : 689,663,999.10 = 441,636,146.60 : x
  2. Step 2: Convert to fraction form
    459,775,999.40/689,663,999.10 = 441,636,146.60/x
  3. Step 3: Cross multiply
    459,775,999.40x = 689,663,999.10 × 441,636,146.60
  4. Step 4: Simplify right side
    459,775,999.40x = 304,580,551,011,269,888
  5. Step 5: Solve for x
    x = 304,580,551,011,269,888/459,775,999.40
  6. Step 6: Final answer
    x = 662,454,219.90

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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.