Home / 877,008,531.79-1,315,410,396.67-352,356,395.32

Finding the Fourth Proportional to 877,008,531.79, 1,315,410,396.67 and 352,356,395.32

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Solution

The fourth proportional to 877,008,531.79, 1,315,410,396.67 and 352,356,395.32 is: 528,493,451.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,008,531.79 : 1,315,410,396.67 = 352,356,395.32 : x
  2. Step 2: Convert to fraction form
    877,008,531.79/1,315,410,396.67 = 352,356,395.32/x
  3. Step 3: Cross multiply
    877,008,531.79x = 1,315,410,396.67 × 352,356,395.32
  4. Step 4: Simplify right side
    877,008,531.79x = 463,493,265,737,092,544
  5. Step 5: Solve for x
    x = 463,493,265,737,092,544/877,008,531.79
  6. Step 6: Final answer
    x = 528,493,451.25

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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.