Home / 20,571,730,045.40-30,857,595,068.10-16,439,244,829.40

Finding the Fourth Proportional to 20,571,730,045.40, 30,857,595,068.10 and 16,439,244,829.40

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Solution

The fourth proportional to 20,571,730,045.40, 30,857,595,068.10 and 16,439,244,829.40 is: 24,658,867,244.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,571,730,045.40 : 30,857,595,068.10 = 16,439,244,829.40 : x
  2. Step 2: Convert to fraction form
    20,571,730,045.40/30,857,595,068.10 = 16,439,244,829.40/x
  3. Step 3: Cross multiply
    20,571,730,045.40x = 30,857,595,068.10 × 16,439,244,829.40
  4. Step 4: Simplify right side
    20,571,730,045.40x = 507,275,560,170,981,818,368
  5. Step 5: Solve for x
    x = 507,275,560,170,981,818,368/20,571,730,045.40
  6. Step 6: Final answer
    x = 24,658,867,244.10

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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.