Home / 10,779,928,389.44-16,155,438,860.49-8,389,766,043.47

Finding the Fourth Proportional to 10,779,928,389.44, 16,155,438,860.49 and 8,389,766,043.47

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Solution

The fourth proportional to 10,779,928,389.44, 16,155,438,860.49 and 8,389,766,043.47 is: 12,573,400,070.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779,928,389.44 : 16,155,438,860.49 = 8,389,766,043.47 : x
  2. Step 2: Convert to fraction form
    10,779,928,389.44/16,155,438,860.49 = 8,389,766,043.47/x
  3. Step 3: Cross multiply
    10,779,928,389.44x = 16,155,438,860.49 × 8,389,766,043.47
  4. Step 4: Simplify right side
    10,779,928,389.44x = 135,540,352,369,013,899,264
  5. Step 5: Solve for x
    x = 135,540,352,369,013,899,264/10,779,928,389.44
  6. Step 6: Final answer
    x = 12,573,400,070.25

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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.