Home / 1,916,714,664-2,875,389,679.62-672,822,381.96

Finding the Fourth Proportional to 1,916,714,664, 2,875,389,679.62 and 672,822,381.96

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Solution

The fourth proportional to 1,916,714,664, 2,875,389,679.62 and 672,822,381.96 is: 1,009,345,089.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,714,664 : 2,875,389,679.62 = 672,822,381.96 : x
  2. Step 2: Convert to fraction form
    1,916,714,664/2,875,389,679.62 = 672,822,381.96/x
  3. Step 3: Cross multiply
    1,916,714,664x = 2,875,389,679.62 × 672,822,381.96
  4. Step 4: Simplify right side
    1,916,714,664x = 1,934,626,533,305,129,728
  5. Step 5: Solve for x
    x = 1,934,626,533,305,129,728/1,916,714,664
  6. Step 6: Final answer
    x = 1,009,345,089.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.