Home / 936,822,231.12-1,292,822,333.64-519,141,493.20

Finding the Fourth Proportional to 936,822,231.12, 1,292,822,333.64 and 519,141,493.20

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Solution

The fourth proportional to 936,822,231.12, 1,292,822,333.64 and 519,141,493.20 is: 716,419,502.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,822,231.12 : 1,292,822,333.64 = 519,141,493.20 : x
  2. Step 2: Convert to fraction form
    936,822,231.12/1,292,822,333.64 = 519,141,493.20/x
  3. Step 3: Cross multiply
    936,822,231.12x = 1,292,822,333.64 × 519,141,493.20
  4. Step 4: Simplify right side
    936,822,231.12x = 671,157,716,728,178,176
  5. Step 5: Solve for x
    x = 671,157,716,728,178,176/936,822,231.12
  6. Step 6: Final answer
    x = 716,419,502.48

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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.