Home / 725,771,993,254.80-1,001,565,448,756.60-400,611,346,428.53

Finding the Fourth Proportional to 725,771,993,254.80, 1,001,565,448,756.60 and 400,611,346,428.53

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Solution

The fourth proportional to 725,771,993,254.80, 1,001,565,448,756.60 and 400,611,346,428.53 is: 552,843,712,201.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,771,993,254.80 : 1,001,565,448,756.60 = 400,611,346,428.53 : x
  2. Step 2: Convert to fraction form
    725,771,993,254.80/1,001,565,448,756.60 = 400,611,346,428.53/x
  3. Step 3: Cross multiply
    725,771,993,254.80x = 1,001,565,448,756.60 × 400,611,346,428.53
  4. Step 4: Simplify right side
    725,771,993,254.80x = 401,238,482,962,676,430,405,632
  5. Step 5: Solve for x
    x = 401,238,482,962,676,430,405,632/725,771,993,254.80
  6. Step 6: Final answer
    x = 552,843,712,201.24

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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.