Home / 1,094,765,998.91-1,510,698,646.66-642,662,323.35

Finding the Fourth Proportional to 1,094,765,998.91, 1,510,698,646.66 and 642,662,323.35

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Solution

The fourth proportional to 1,094,765,998.91, 1,510,698,646.66 and 642,662,323.35 is: 886,827,964.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094,765,998.91 : 1,510,698,646.66 = 642,662,323.35 : x
  2. Step 2: Convert to fraction form
    1,094,765,998.91/1,510,698,646.66 = 642,662,323.35/x
  3. Step 3: Cross multiply
    1,094,765,998.91x = 1,510,698,646.66 × 642,662,323.35
  4. Step 4: Simplify right side
    1,094,765,998.91x = 970,869,102,144,293,888
  5. Step 5: Solve for x
    x = 970,869,102,144,293,888/1,094,765,998.91
  6. Step 6: Final answer
    x = 886,827,964.25

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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.