Home / 459,652,020.60-689,478,030.90-368,952,756.60

Finding the Fourth Proportional to 459,652,020.60, 689,478,030.90 and 368,952,756.60

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Solution

The fourth proportional to 459,652,020.60, 689,478,030.90 and 368,952,756.60 is: 553,429,134.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,652,020.60 : 689,478,030.90 = 368,952,756.60 : x
  2. Step 2: Convert to fraction form
    459,652,020.60/689,478,030.90 = 368,952,756.60/x
  3. Step 3: Cross multiply
    459,652,020.60x = 689,478,030.90 × 368,952,756.60
  4. Step 4: Simplify right side
    459,652,020.60x = 254,384,820,115,694,976
  5. Step 5: Solve for x
    x = 254,384,820,115,694,976/459,652,020.60
  6. Step 6: Final answer
    x = 553,429,134.90

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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.