Home / 13,985,139,809.40-20,977,709,714.10-13,903,510,471.80

Finding the Fourth Proportional to 13,985,139,809.40, 20,977,709,714.10 and 13,903,510,471.80

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Solution

The fourth proportional to 13,985,139,809.40, 20,977,709,714.10 and 13,903,510,471.80 is: 20,855,265,707.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,985,139,809.40 : 20,977,709,714.10 = 13,903,510,471.80 : x
  2. Step 2: Convert to fraction form
    13,985,139,809.40/20,977,709,714.10 = 13,903,510,471.80/x
  3. Step 3: Cross multiply
    13,985,139,809.40x = 20,977,709,714.10 × 13,903,510,471.80
  4. Step 4: Simplify right side
    13,985,139,809.40x = 291,663,806,684,369,911,808
  5. Step 5: Solve for x
    x = 291,663,806,684,369,911,808/13,985,139,809.40
  6. Step 6: Final answer
    x = 20,855,265,707.70

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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.