Home / 12,131,927,205.60-18,197,890,808.40-4,771,178,047.20

Finding the Fourth Proportional to 12,131,927,205.60, 18,197,890,808.40 and 4,771,178,047.20

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Solution

The fourth proportional to 12,131,927,205.60, 18,197,890,808.40 and 4,771,178,047.20 is: 7,156,767,070.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,131,927,205.60 : 18,197,890,808.40 = 4,771,178,047.20 : x
  2. Step 2: Convert to fraction form
    12,131,927,205.60/18,197,890,808.40 = 4,771,178,047.20/x
  3. Step 3: Cross multiply
    12,131,927,205.60x = 18,197,890,808.40 × 4,771,178,047.20
  4. Step 4: Simplify right side
    12,131,927,205.60x = 86,825,377,130,380,738,560
  5. Step 5: Solve for x
    x = 86,825,377,130,380,738,560/12,131,927,205.60
  6. Step 6: Final answer
    x = 7,156,767,070.80

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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.