Home / 717,885,795.20-1,076,828,692.80-614,573,664.80

Finding the Fourth Proportional to 717,885,795.20, 1,076,828,692.80 and 614,573,664.80

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Solution

The fourth proportional to 717,885,795.20, 1,076,828,692.80 and 614,573,664.80 is: 921,860,497.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,885,795.20 : 1,076,828,692.80 = 614,573,664.80 : x
  2. Step 2: Convert to fraction form
    717,885,795.20/1,076,828,692.80 = 614,573,664.80/x
  3. Step 3: Cross multiply
    717,885,795.20x = 1,076,828,692.80 × 614,573,664.80
  4. Step 4: Simplify right side
    717,885,795.20x = 661,790,556,095,889,280
  5. Step 5: Solve for x
    x = 661,790,556,095,889,280/717,885,795.20
  6. Step 6: Final answer
    x = 921,860,497.20

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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.