Home / 776,719,123.36-1,071,904,970.64-446,694,526.24

Finding the Fourth Proportional to 776,719,123.36, 1,071,904,970.64 and 446,694,526.24

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Solution

The fourth proportional to 776,719,123.36, 1,071,904,970.64 and 446,694,526.24 is: 616,457,183.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,719,123.36 : 1,071,904,970.64 = 446,694,526.24 : x
  2. Step 2: Convert to fraction form
    776,719,123.36/1,071,904,970.64 = 446,694,526.24/x
  3. Step 3: Cross multiply
    776,719,123.36x = 1,071,904,970.64 × 446,694,526.24
  4. Step 4: Simplify right side
    776,719,123.36x = 478,814,083,034,335,936
  5. Step 5: Solve for x
    x = 478,814,083,034,335,936/776,719,123.36
  6. Step 6: Final answer
    x = 616,457,183.34

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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.