Home / 20,462,110,828.53-28,237,756,705.29-11,551,439,581.53

Finding the Fourth Proportional to 20,462,110,828.53, 28,237,756,705.29 and 11,551,439,581.53

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Solution

The fourth proportional to 20,462,110,828.53, 28,237,756,705.29 and 11,551,439,581.53 is: 15,941,011,327.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,462,110,828.53 : 28,237,756,705.29 = 11,551,439,581.53 : x
  2. Step 2: Convert to fraction form
    20,462,110,828.53/28,237,756,705.29 = 11,551,439,581.53/x
  3. Step 3: Cross multiply
    20,462,110,828.53x = 28,237,756,705.29 × 11,551,439,581.53
  4. Step 4: Simplify right side
    20,462,110,828.53x = 326,186,740,499,101,122,560
  5. Step 5: Solve for x
    x = 326,186,740,499,101,122,560/20,462,110,828.53
  6. Step 6: Final answer
    x = 15,941,011,327.35

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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.