Home / 887,433,664.80-1,328,599,580.40-543,059,896.80

Finding the Fourth Proportional to 887,433,664.80, 1,328,599,580.40 and 543,059,896.80

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Solution

The fourth proportional to 887,433,664.80, 1,328,599,580.40 and 543,059,896.80 is: 813,028,826.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,433,664.80 : 1,328,599,580.40 = 543,059,896.80 : x
  2. Step 2: Convert to fraction form
    887,433,664.80/1,328,599,580.40 = 543,059,896.80/x
  3. Step 3: Cross multiply
    887,433,664.80x = 1,328,599,580.40 × 543,059,896.80
  4. Step 4: Simplify right side
    887,433,664.80x = 721,509,151,020,547,328
  5. Step 5: Solve for x
    x = 721,509,151,020,547,328/887,433,664.80
  6. Step 6: Final answer
    x = 813,028,826.42

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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.