Home / 51,269,127,533.40-76,842,469,296.90-21,423,400,973.40

Finding the Fourth Proportional to 51,269,127,533.40, 76,842,469,296.90 and 21,423,400,973.40

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Solution

The fourth proportional to 51,269,127,533.40, 76,842,469,296.90 and 21,423,400,973.40 is: 32,109,519,134.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,269,127,533.40 : 76,842,469,296.90 = 21,423,400,973.40 : x
  2. Step 2: Convert to fraction form
    51,269,127,533.40/76,842,469,296.90 = 21,423,400,973.40/x
  3. Step 3: Cross multiply
    51,269,127,533.40x = 76,842,469,296.90 × 21,423,400,973.40
  4. Step 4: Simplify right side
    51,269,127,533.40x = 1,646,227,031,533,666,959,360
  5. Step 5: Solve for x
    x = 1,646,227,031,533,666,959,360/51,269,127,533.40
  6. Step 6: Final answer
    x = 32,109,519,134.32

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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.