Home / 609,038,018.20-840,450,718.99-344,714,336.16

Finding the Fourth Proportional to 609,038,018.20, 840,450,718.99 and 344,714,336.16

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Solution

The fourth proportional to 609,038,018.20, 840,450,718.99 and 344,714,336.16 is: 475,693,475.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,038,018.20 : 840,450,718.99 = 344,714,336.16 : x
  2. Step 2: Convert to fraction form
    609,038,018.20/840,450,718.99 = 344,714,336.16/x
  3. Step 3: Cross multiply
    609,038,018.20x = 840,450,718.99 × 344,714,336.16
  4. Step 4: Simplify right side
    609,038,018.20x = 289,715,411,674,825,920
  5. Step 5: Solve for x
    x = 289,715,411,674,825,920/609,038,018.20
  6. Step 6: Final answer
    x = 475,693,475.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.