Home / 18,739,510,007.48-28,108,275,019.53-6,146,709,684.80

Finding the Fourth Proportional to 18,739,510,007.48, 28,108,275,019.53 and 6,146,709,684.80

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Solution

The fourth proportional to 18,739,510,007.48, 28,108,275,019.53 and 6,146,709,684.80 is: 9,219,739,801.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,739,510,007.48 : 28,108,275,019.53 = 6,146,709,684.80 : x
  2. Step 2: Convert to fraction form
    18,739,510,007.48/28,108,275,019.53 = 6,146,709,684.80/x
  3. Step 3: Cross multiply
    18,739,510,007.48x = 28,108,275,019.53 × 6,146,709,684.80
  4. Step 4: Simplify right side
    18,739,510,007.48x = 172,773,406,285,598,949,376
  5. Step 5: Solve for x
    x = 172,773,406,285,598,949,376/18,739,510,007.48
  6. Step 6: Final answer
    x = 9,219,739,801.98

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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.