Home / 42,524,137,024.40-63,786,205,536.60-20,435,842,931.60

Finding the Fourth Proportional to 42,524,137,024.40, 63,786,205,536.60 and 20,435,842,931.60

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Solution

The fourth proportional to 42,524,137,024.40, 63,786,205,536.60 and 20,435,842,931.60 is: 30,653,764,397.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,524,137,024.40 : 63,786,205,536.60 = 20,435,842,931.60 : x
  2. Step 2: Convert to fraction form
    42,524,137,024.40/63,786,205,536.60 = 20,435,842,931.60/x
  3. Step 3: Cross multiply
    42,524,137,024.40x = 63,786,205,536.60 × 20,435,842,931.60
  4. Step 4: Simplify right side
    42,524,137,024.40x = 1,303,524,877,548,711,837,696
  5. Step 5: Solve for x
    x = 1,303,524,877,548,711,837,696/42,524,137,024.40
  6. Step 6: Final answer
    x = 30,653,764,397.40

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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.