Home / 407,714,400.90-611,571,601.35-254,832,020.10

Finding the Fourth Proportional to 407,714,400.90, 611,571,601.35 and 254,832,020.10

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Solution

The fourth proportional to 407,714,400.90, 611,571,601.35 and 254,832,020.10 is: 382,248,030.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,714,400.90 : 611,571,601.35 = 254,832,020.10 : x
  2. Step 2: Convert to fraction form
    407,714,400.90/611,571,601.35 = 254,832,020.10/x
  3. Step 3: Cross multiply
    407,714,400.90x = 611,571,601.35 × 254,832,020.10
  4. Step 4: Simplify right side
    407,714,400.90x = 155,848,026,607,812,384
  5. Step 5: Solve for x
    x = 155,848,026,607,812,384/407,714,400.90
  6. Step 6: Final answer
    x = 382,248,030.15

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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.