Home / 10,779,928,460.43-16,155,438,966.81-8,389,766,114.42

Finding the Fourth Proportional to 10,779,928,460.43, 16,155,438,966.81 and 8,389,766,114.42

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Solution

The fourth proportional to 10,779,928,460.43, 16,155,438,966.81 and 8,389,766,114.42 is: 12,573,400,176.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779,928,460.43 : 16,155,438,966.81 = 8,389,766,114.42 : x
  2. Step 2: Convert to fraction form
    10,779,928,460.43/16,155,438,966.81 = 8,389,766,114.42/x
  3. Step 3: Cross multiply
    10,779,928,460.43x = 16,155,438,966.81 × 8,389,766,114.42
  4. Step 4: Simplify right side
    10,779,928,460.43x = 135,540,354,407,242,203,136
  5. Step 5: Solve for x
    x = 135,540,354,407,242,203,136/10,779,928,460.43
  6. Step 6: Final answer
    x = 12,573,400,176.52

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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.