Home / 1,144,638,043.80-1,717,083,036.90-417,784,219.80

Finding the Fourth Proportional to 1,144,638,043.80, 1,717,083,036.90 and 417,784,219.80

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Solution

The fourth proportional to 1,144,638,043.80, 1,717,083,036.90 and 417,784,219.80 is: 626,722,308.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,638,043.80 : 1,717,083,036.90 = 417,784,219.80 : x
  2. Step 2: Convert to fraction form
    1,144,638,043.80/1,717,083,036.90 = 417,784,219.80/x
  3. Step 3: Cross multiply
    1,144,638,043.80x = 1,717,083,036.90 × 417,784,219.80
  4. Step 4: Simplify right side
    1,144,638,043.80x = 717,370,196,903,081,216
  5. Step 5: Solve for x
    x = 717,370,196,903,081,216/1,144,638,043.80
  6. Step 6: Final answer
    x = 626,722,308.23

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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.