Home / 808,802,968,159.32-1,115,610,664,903.70-520,136,186,319.96

Finding the Fourth Proportional to 808,802,968,159.32, 1,115,610,664,903.70 and 520,136,186,319.96

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Solution

The fourth proportional to 808,802,968,159.32, 1,115,610,664,903.70 and 520,136,186,319.96 is: 717,442,318,469.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,802,968,159.32 : 1,115,610,664,903.70 = 520,136,186,319.96 : x
  2. Step 2: Convert to fraction form
    808,802,968,159.32/1,115,610,664,903.70 = 520,136,186,319.96/x
  3. Step 3: Cross multiply
    808,802,968,159.32x = 1,115,610,664,903.70 × 520,136,186,319.96
  4. Step 4: Simplify right side
    808,802,968,159.32x = 580,269,476,660,885,346,844,672
  5. Step 5: Solve for x
    x = 580,269,476,660,885,346,844,672/808,802,968,159.32
  6. Step 6: Final answer
    x = 717,442,318,469.07

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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.