Home / 13,100,815,347.08-19,631,226,535.56-7,778,446,681.55

Finding the Fourth Proportional to 13,100,815,347.08, 19,631,226,535.56 and 7,778,446,681.55

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Solution

The fourth proportional to 13,100,815,347.08, 19,631,226,535.56 and 7,778,446,681.55 is: 11,655,797,357.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,100,815,347.08 : 19,631,226,535.56 = 7,778,446,681.55 : x
  2. Step 2: Convert to fraction form
    13,100,815,347.08/19,631,226,535.56 = 7,778,446,681.55/x
  3. Step 3: Cross multiply
    13,100,815,347.08x = 19,631,226,535.56 × 7,778,446,681.55
  4. Step 4: Simplify right side
    13,100,815,347.08x = 152,700,448,900,184,834,048
  5. Step 5: Solve for x
    x = 152,700,448,900,184,834,048/13,100,815,347.08
  6. Step 6: Final answer
    x = 11,655,797,357.24

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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.