Home / 13,452,128,859.90-18,564,501,803.01-7,736,417,749.02

Finding the Fourth Proportional to 13,452,128,859.90, 18,564,501,803.01 and 7,736,417,749.02

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Solution

The fourth proportional to 13,452,128,859.90, 18,564,501,803.01 and 7,736,417,749.02 is: 10,676,580,840.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,452,128,859.90 : 18,564,501,803.01 = 7,736,417,749.02 : x
  2. Step 2: Convert to fraction form
    13,452,128,859.90/18,564,501,803.01 = 7,736,417,749.02/x
  3. Step 3: Cross multiply
    13,452,128,859.90x = 18,564,501,803.01 × 7,736,417,749.02
  4. Step 4: Simplify right side
    13,452,128,859.90x = 143,622,741,250,520,350,720
  5. Step 5: Solve for x
    x = 143,622,741,250,520,350,720/13,452,128,859.90
  6. Step 6: Final answer
    x = 10,676,580,840.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.