Home / 13,856,838,368.80-20,785,257,553.20-13,581,339,354.40

Finding the Fourth Proportional to 13,856,838,368.80, 20,785,257,553.20 and 13,581,339,354.40

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Solution

The fourth proportional to 13,856,838,368.80, 20,785,257,553.20 and 13,581,339,354.40 is: 20,372,009,031.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,856,838,368.80 : 20,785,257,553.20 = 13,581,339,354.40 : x
  2. Step 2: Convert to fraction form
    13,856,838,368.80/20,785,257,553.20 = 13,581,339,354.40/x
  3. Step 3: Cross multiply
    13,856,838,368.80x = 20,785,257,553.20 × 13,581,339,354.40
  4. Step 4: Simplify right side
    13,856,838,368.80x = 282,291,636,398,615,003,136
  5. Step 5: Solve for x
    x = 282,291,636,398,615,003,136/13,856,838,368.80
  6. Step 6: Final answer
    x = 20,372,009,031.60

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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.