Home / 708,588,840.80-1,062,883,261.20-435,072,706.40

Finding the Fourth Proportional to 708,588,840.80, 1,062,883,261.20 and 435,072,706.40

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Solution

The fourth proportional to 708,588,840.80, 1,062,883,261.20 and 435,072,706.40 is: 652,609,059.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,588,840.80 : 1,062,883,261.20 = 435,072,706.40 : x
  2. Step 2: Convert to fraction form
    708,588,840.80/1,062,883,261.20 = 435,072,706.40/x
  3. Step 3: Cross multiply
    708,588,840.80x = 1,062,883,261.20 × 435,072,706.40
  4. Step 4: Simplify right side
    708,588,840.80x = 462,431,497,037,542,080
  5. Step 5: Solve for x
    x = 462,431,497,037,542,080/708,588,840.80
  6. Step 6: Final answer
    x = 652,609,059.60

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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.