Home / 887,434,128.80-1,328,600,276.40-543,060,360.80

Finding the Fourth Proportional to 887,434,128.80, 1,328,600,276.40 and 543,060,360.80

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Solution

The fourth proportional to 887,434,128.80, 1,328,600,276.40 and 543,060,360.80 is: 813,029,521.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,434,128.80 : 1,328,600,276.40 = 543,060,360.80 : x
  2. Step 2: Convert to fraction form
    887,434,128.80/1,328,600,276.40 = 543,060,360.80/x
  3. Step 3: Cross multiply
    887,434,128.80x = 1,328,600,276.40 × 543,060,360.80
  4. Step 4: Simplify right side
    887,434,128.80x = 721,510,145,460,763,776
  5. Step 5: Solve for x
    x = 721,510,145,460,763,776/887,434,128.80
  6. Step 6: Final answer
    x = 813,029,521.91

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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.