Home / 13,452,128,820.90-18,564,501,749.07-7,736,417,709.96

Finding the Fourth Proportional to 13,452,128,820.90, 18,564,501,749.07 and 7,736,417,709.96

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Solution

The fourth proportional to 13,452,128,820.90, 18,564,501,749.07 and 7,736,417,709.96 is: 10,676,580,786.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,452,128,820.90 : 18,564,501,749.07 = 7,736,417,709.96 : x
  2. Step 2: Convert to fraction form
    13,452,128,820.90/18,564,501,749.07 = 7,736,417,709.96/x
  3. Step 3: Cross multiply
    13,452,128,820.90x = 18,564,501,749.07 × 7,736,417,709.96
  4. Step 4: Simplify right side
    13,452,128,820.90x = 143,622,740,108,088,541,184
  5. Step 5: Solve for x
    x = 143,622,740,108,088,541,184/13,452,128,820.90
  6. Step 6: Final answer
    x = 10,676,580,786.60

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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.