Home / 13,684,398,132.88-18,884,469,417.96-7,426,148,916.88

Finding the Fourth Proportional to 13,684,398,132.88, 18,884,469,417.96 and 7,426,148,916.88

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Solution

The fourth proportional to 13,684,398,132.88, 18,884,469,417.96 and 7,426,148,916.88 is: 10,248,085,502.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,684,398,132.88 : 18,884,469,417.96 = 7,426,148,916.88 : x
  2. Step 2: Convert to fraction form
    13,684,398,132.88/18,884,469,417.96 = 7,426,148,916.88/x
  3. Step 3: Cross multiply
    13,684,398,132.88x = 18,884,469,417.96 × 7,426,148,916.88
  4. Step 4: Simplify right side
    13,684,398,132.88x = 140,238,882,114,037,137,408
  5. Step 5: Solve for x
    x = 140,238,882,114,037,137,408/13,684,398,132.88
  6. Step 6: Final answer
    x = 10,248,085,502.36

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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.