Home / 717,457,511.10-1,076,186,266.65-543,995,168.70

Finding the Fourth Proportional to 717,457,511.10, 1,076,186,266.65 and 543,995,168.70

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Solution

The fourth proportional to 717,457,511.10, 1,076,186,266.65 and 543,995,168.70 is: 815,992,753.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,457,511.10 : 1,076,186,266.65 = 543,995,168.70 : x
  2. Step 2: Convert to fraction form
    717,457,511.10/1,076,186,266.65 = 543,995,168.70/x
  3. Step 3: Cross multiply
    717,457,511.10x = 1,076,186,266.65 × 543,995,168.70
  4. Step 4: Simplify right side
    717,457,511.10x = 585,440,129,678,889,984
  5. Step 5: Solve for x
    x = 585,440,129,678,889,984/717,457,511.10
  6. Step 6: Final answer
    x = 815,992,753.05

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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.