Home / 850,698,001.80-1,276,047,002.70-544,336,043.40

Finding the Fourth Proportional to 850,698,001.80, 1,276,047,002.70 and 544,336,043.40

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Solution

The fourth proportional to 850,698,001.80, 1,276,047,002.70 and 544,336,043.40 is: 816,504,065.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,698,001.80 : 1,276,047,002.70 = 544,336,043.40 : x
  2. Step 2: Convert to fraction form
    850,698,001.80/1,276,047,002.70 = 544,336,043.40/x
  3. Step 3: Cross multiply
    850,698,001.80x = 1,276,047,002.70 × 544,336,043.40
  4. Step 4: Simplify right side
    850,698,001.80x = 694,598,376,642,147,072
  5. Step 5: Solve for x
    x = 694,598,376,642,147,072/850,698,001.80
  6. Step 6: Final answer
    x = 816,504,065.10

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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.