Home / 1,512,998,312.41-2,087,989,590.62-877,870,844.16

Finding the Fourth Proportional to 1,512,998,312.41, 2,087,989,590.62 and 877,870,844.16

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Solution

The fourth proportional to 1,512,998,312.41, 2,087,989,590.62 and 877,870,844.16 is: 1,211,491,889.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,998,312.41 : 2,087,989,590.62 = 877,870,844.16 : x
  2. Step 2: Convert to fraction form
    1,512,998,312.41/2,087,989,590.62 = 877,870,844.16/x
  3. Step 3: Cross multiply
    1,512,998,312.41x = 2,087,989,590.62 × 877,870,844.16
  4. Step 4: Simplify right side
    1,512,998,312.41x = 1,832,985,184,504,212,224
  5. Step 5: Solve for x
    x = 1,832,985,184,504,212,224/1,512,998,312.41
  6. Step 6: Final answer
    x = 1,211,491,889.63

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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.