Home / 10,220,397,963.60-15,330,596,945.40-4,009,765,861.20

Finding the Fourth Proportional to 10,220,397,963.60, 15,330,596,945.40 and 4,009,765,861.20

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Solution

The fourth proportional to 10,220,397,963.60, 15,330,596,945.40 and 4,009,765,861.20 is: 6,014,648,791.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,220,397,963.60 : 15,330,596,945.40 = 4,009,765,861.20 : x
  2. Step 2: Convert to fraction form
    10,220,397,963.60/15,330,596,945.40 = 4,009,765,861.20/x
  3. Step 3: Cross multiply
    10,220,397,963.60x = 15,330,596,945.40 × 4,009,765,861.20
  4. Step 4: Simplify right side
    10,220,397,963.60x = 61,472,104,263,481,917,440
  5. Step 5: Solve for x
    x = 61,472,104,263,481,917,440/10,220,397,963.60
  6. Step 6: Final answer
    x = 6,014,648,791.80

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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.