Home / 880,128,025.80-1,320,192,038.70-880,128,025.80

Finding the Fourth Proportional to 880,128,025.80, 1,320,192,038.70 and 880,128,025.80

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Solution

The fourth proportional to 880,128,025.80, 1,320,192,038.70 and 880,128,025.80 is: 1,320,192,038.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,128,025.80 : 1,320,192,038.70 = 880,128,025.80 : x
  2. Step 2: Convert to fraction form
    880,128,025.80/1,320,192,038.70 = 880,128,025.80/x
  3. Step 3: Cross multiply
    880,128,025.80x = 1,320,192,038.70 × 880,128,025.80
  4. Step 4: Simplify right side
    880,128,025.80x = 1,161,938,012,697,908,224
  5. Step 5: Solve for x
    x = 1,161,938,012,697,908,224/880,128,025.80
  6. Step 6: Final answer
    x = 1,320,192,038.70

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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.