Home / 1,243,407,554.91-1,716,052,908.24-707,689,480.32

Finding the Fourth Proportional to 1,243,407,554.91, 1,716,052,908.24 and 707,689,480.32

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Solution

The fourth proportional to 1,243,407,554.91, 1,716,052,908.24 and 707,689,480.32 is: 976,697,130.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,407,554.91 : 1,716,052,908.24 = 707,689,480.32 : x
  2. Step 2: Convert to fraction form
    1,243,407,554.91/1,716,052,908.24 = 707,689,480.32/x
  3. Step 3: Cross multiply
    1,243,407,554.91x = 1,716,052,908.24 × 707,689,480.32
  4. Step 4: Simplify right side
    1,243,407,554.91x = 1,214,432,590,833,990,400
  5. Step 5: Solve for x
    x = 1,214,432,590,833,990,400/1,243,407,554.91
  6. Step 6: Final answer
    x = 976,697,130.43

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Double scale
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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.