Home / 28,166,616,007.80-42,249,924,011.70-18,248,651,489.40

Finding the Fourth Proportional to 28,166,616,007.80, 42,249,924,011.70 and 18,248,651,489.40

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Solution

The fourth proportional to 28,166,616,007.80, 42,249,924,011.70 and 18,248,651,489.40 is: 27,372,977,234.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,166,616,007.80 : 42,249,924,011.70 = 18,248,651,489.40 : x
  2. Step 2: Convert to fraction form
    28,166,616,007.80/42,249,924,011.70 = 18,248,651,489.40/x
  3. Step 3: Cross multiply
    28,166,616,007.80x = 42,249,924,011.70 × 18,248,651,489.40
  4. Step 4: Simplify right side
    28,166,616,007.80x = 771,004,138,743,146,086,400
  5. Step 5: Solve for x
    x = 771,004,138,743,146,086,400/28,166,616,007.80
  6. Step 6: Final answer
    x = 27,372,977,234.10

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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.