Home / 1,616,436,009.20-2,424,654,013.80-525,919,077.20

Finding the Fourth Proportional to 1,616,436,009.20, 2,424,654,013.80 and 525,919,077.20

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Solution

The fourth proportional to 1,616,436,009.20, 2,424,654,013.80 and 525,919,077.20 is: 788,878,615.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616,436,009.20 : 2,424,654,013.80 = 525,919,077.20 : x
  2. Step 2: Convert to fraction form
    1,616,436,009.20/2,424,654,013.80 = 525,919,077.20/x
  3. Step 3: Cross multiply
    1,616,436,009.20x = 2,424,654,013.80 × 525,919,077.20
  4. Step 4: Simplify right side
    1,616,436,009.20x = 1,275,171,801,466,972,160
  5. Step 5: Solve for x
    x = 1,275,171,801,466,972,160/1,616,436,009.20
  6. Step 6: Final answer
    x = 788,878,615.80

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Double scale
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1.5x scale

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.