Home / 672,605,055.60-1,008,907,583.40-309,099,411.60

Finding the Fourth Proportional to 672,605,055.60, 1,008,907,583.40 and 309,099,411.60

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Solution

The fourth proportional to 672,605,055.60, 1,008,907,583.40 and 309,099,411.60 is: 463,649,117.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,605,055.60 : 1,008,907,583.40 = 309,099,411.60 : x
  2. Step 2: Convert to fraction form
    672,605,055.60/1,008,907,583.40 = 309,099,411.60/x
  3. Step 3: Cross multiply
    672,605,055.60x = 1,008,907,583.40 × 309,099,411.60
  4. Step 4: Simplify right side
    672,605,055.60x = 311,852,740,387,717,952
  5. Step 5: Solve for x
    x = 311,852,740,387,717,952/672,605,055.60
  6. Step 6: Final answer
    x = 463,649,117.40

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Double scale
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Similar ratio
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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.