Home / 813,027,975.24-1,218,856,382.10-352,619,364.72

Finding the Fourth Proportional to 813,027,975.24, 1,218,856,382.10 and 352,619,364.72

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Solution

The fourth proportional to 813,027,975.24, 1,218,856,382.10 and 352,619,364.72 is: 528,631,703.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,027,975.24 : 1,218,856,382.10 = 352,619,364.72 : x
  2. Step 2: Convert to fraction form
    813,027,975.24/1,218,856,382.10 = 352,619,364.72/x
  3. Step 3: Cross multiply
    813,027,975.24x = 1,218,856,382.10 × 352,619,364.72
  4. Step 4: Simplify right side
    813,027,975.24x = 429,792,363,141,019,584
  5. Step 5: Solve for x
    x = 429,792,363,141,019,584/813,027,975.24
  6. Step 6: Final answer
    x = 528,631,703.00

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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.