Home / 47,030,544,048.40-70,545,816,072.60-20,909,156,016.40

Finding the Fourth Proportional to 47,030,544,048.40, 70,545,816,072.60 and 20,909,156,016.40

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Solution

The fourth proportional to 47,030,544,048.40, 70,545,816,072.60 and 20,909,156,016.40 is: 31,363,734,024.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,030,544,048.40 : 70,545,816,072.60 = 20,909,156,016.40 : x
  2. Step 2: Convert to fraction form
    47,030,544,048.40/70,545,816,072.60 = 20,909,156,016.40/x
  3. Step 3: Cross multiply
    47,030,544,048.40x = 70,545,816,072.60 × 20,909,156,016.40
  4. Step 4: Simplify right side
    47,030,544,048.40x = 1,475,053,474,566,252,265,472
  5. Step 5: Solve for x
    x = 1,475,053,474,566,252,265,472/47,030,544,048.40
  6. Step 6: Final answer
    x = 31,363,734,024.60

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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.