Home / 880,590,980.94-1,215,216,335.43-484,120,715.94

Finding the Fourth Proportional to 880,590,980.94, 1,215,216,335.43 and 484,120,715.94

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Solution

The fourth proportional to 880,590,980.94, 1,215,216,335.43 and 484,120,715.94 is: 668,087,017.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,590,980.94 : 1,215,216,335.43 = 484,120,715.94 : x
  2. Step 2: Convert to fraction form
    880,590,980.94/1,215,216,335.43 = 484,120,715.94/x
  3. Step 3: Cross multiply
    880,590,980.94x = 1,215,216,335.43 × 484,120,715.94
  4. Step 4: Simplify right side
    880,590,980.94x = 588,311,402,330,354,816
  5. Step 5: Solve for x
    x = 588,311,402,330,354,816/880,590,980.94
  6. Step 6: Final answer
    x = 668,087,017.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.