Home / 779,769,059.20-1,169,653,588.80-626,714,051.20

Finding the Fourth Proportional to 779,769,059.20, 1,169,653,588.80 and 626,714,051.20

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Solution

The fourth proportional to 779,769,059.20, 1,169,653,588.80 and 626,714,051.20 is: 940,071,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,769,059.20 : 1,169,653,588.80 = 626,714,051.20 : x
  2. Step 2: Convert to fraction form
    779,769,059.20/1,169,653,588.80 = 626,714,051.20/x
  3. Step 3: Cross multiply
    779,769,059.20x = 1,169,653,588.80 × 626,714,051.20
  4. Step 4: Simplify right side
    779,769,059.20x = 733,038,339,137,467,008
  5. Step 5: Solve for x
    x = 733,038,339,137,467,008/779,769,059.20
  6. Step 6: Final answer
    x = 940,071,076.80

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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.