Home / 756,468,464.02-1,043,881,522.12-438,904,111.12

Finding the Fourth Proportional to 756,468,464.02, 1,043,881,522.12 and 438,904,111.12

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Solution

The fourth proportional to 756,468,464.02, 1,043,881,522.12 and 438,904,111.12 is: 605,661,588.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,468,464.02 : 1,043,881,522.12 = 438,904,111.12 : x
  2. Step 2: Convert to fraction form
    756,468,464.02/1,043,881,522.12 = 438,904,111.12/x
  3. Step 3: Cross multiply
    756,468,464.02x = 1,043,881,522.12 × 438,904,111.12
  4. Step 4: Simplify right side
    756,468,464.02x = 458,163,891,580,671,232
  5. Step 5: Solve for x
    x = 458,163,891,580,671,232/756,468,464.02
  6. Step 6: Final answer
    x = 605,661,588.52

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Double scale
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1.5x scale

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.