Home / 20,602,359,903.60-30,903,539,855.40-5,092,785,759.60

Finding the Fourth Proportional to 20,602,359,903.60, 30,903,539,855.40 and 5,092,785,759.60

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Solution

The fourth proportional to 20,602,359,903.60, 30,903,539,855.40 and 5,092,785,759.60 is: 7,639,178,639.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,602,359,903.60 : 30,903,539,855.40 = 5,092,785,759.60 : x
  2. Step 2: Convert to fraction form
    20,602,359,903.60/30,903,539,855.40 = 5,092,785,759.60/x
  3. Step 3: Cross multiply
    20,602,359,903.60x = 30,903,539,855.40 × 5,092,785,759.60
  4. Step 4: Simplify right side
    20,602,359,903.60x = 157,385,107,696,812,195,840
  5. Step 5: Solve for x
    x = 157,385,107,696,812,195,840/20,602,359,903.60
  6. Step 6: Final answer
    x = 7,639,178,639.40

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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.