Home / 634,103,998.40-951,155,997.60-289,730,230.40

Finding the Fourth Proportional to 634,103,998.40, 951,155,997.60 and 289,730,230.40

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Solution

The fourth proportional to 634,103,998.40, 951,155,997.60 and 289,730,230.40 is: 434,595,345.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,103,998.40 : 951,155,997.60 = 289,730,230.40 : x
  2. Step 2: Convert to fraction form
    634,103,998.40/951,155,997.60 = 289,730,230.40/x
  3. Step 3: Cross multiply
    634,103,998.40x = 951,155,997.60 × 289,730,230.40
  4. Step 4: Simplify right side
    634,103,998.40x = 275,578,646,330,989,824
  5. Step 5: Solve for x
    x = 275,578,646,330,989,824/634,103,998.40
  6. Step 6: Final answer
    x = 434,595,345.60

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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.