Home / 13,153,212,947.40-19,729,819,421.10-10,363,785,426.60

Finding the Fourth Proportional to 13,153,212,947.40, 19,729,819,421.10 and 10,363,785,426.60

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Solution

The fourth proportional to 13,153,212,947.40, 19,729,819,421.10 and 10,363,785,426.60 is: 15,545,678,139.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,153,212,947.40 : 19,729,819,421.10 = 10,363,785,426.60 : x
  2. Step 2: Convert to fraction form
    13,153,212,947.40/19,729,819,421.10 = 10,363,785,426.60/x
  3. Step 3: Cross multiply
    13,153,212,947.40x = 19,729,819,421.10 × 10,363,785,426.60
  4. Step 4: Simplify right side
    13,153,212,947.40x = 204,475,614,985,845,833,728
  5. Step 5: Solve for x
    x = 204,475,614,985,845,833,728/13,153,212,947.40
  6. Step 6: Final answer
    x = 15,545,678,139.90

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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.