Home / 1,259,714,809.80-1,889,572,214.70-1,178,085,472.20

Finding the Fourth Proportional to 1,259,714,809.80, 1,889,572,214.70 and 1,178,085,472.20

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Solution

The fourth proportional to 1,259,714,809.80, 1,889,572,214.70 and 1,178,085,472.20 is: 1,767,128,208.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,714,809.80 : 1,889,572,214.70 = 1,178,085,472.20 : x
  2. Step 2: Convert to fraction form
    1,259,714,809.80/1,889,572,214.70 = 1,178,085,472.20/x
  3. Step 3: Cross multiply
    1,259,714,809.80x = 1,889,572,214.70 × 1,178,085,472.20
  4. Step 4: Simplify right side
    1,259,714,809.80x = 2,226,077,574,810,849,536
  5. Step 5: Solve for x
    x = 2,226,077,574,810,849,536/1,259,714,809.80
  6. Step 6: Final answer
    x = 1,767,128,208.30

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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.