Home / 1,580,864,347.08-2,181,605,796.36-876,028,099.32

Finding the Fourth Proportional to 1,580,864,347.08, 2,181,605,796.36 and 876,028,099.32

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Solution

The fourth proportional to 1,580,864,347.08, 2,181,605,796.36 and 876,028,099.32 is: 1,208,925,979.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,864,347.08 : 2,181,605,796.36 = 876,028,099.32 : x
  2. Step 2: Convert to fraction form
    1,580,864,347.08/2,181,605,796.36 = 876,028,099.32/x
  3. Step 3: Cross multiply
    1,580,864,347.08x = 2,181,605,796.36 × 876,028,099.32
  4. Step 4: Simplify right side
    1,580,864,347.08x = 1,911,147,979,250,746,112
  5. Step 5: Solve for x
    x = 1,911,147,979,250,746,112/1,580,864,347.08
  6. Step 6: Final answer
    x = 1,208,925,979.50

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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.