Home / 1,173,465,576.36-1,619,395,385.22-644,829,699.24

Finding the Fourth Proportional to 1,173,465,576.36, 1,619,395,385.22 and 644,829,699.24

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Solution

The fourth proportional to 1,173,465,576.36, 1,619,395,385.22 and 644,829,699.24 is: 889,872,068.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,465,576.36 : 1,619,395,385.22 = 644,829,699.24 : x
  2. Step 2: Convert to fraction form
    1,173,465,576.36/1,619,395,385.22 = 644,829,699.24/x
  3. Step 3: Cross multiply
    1,173,465,576.36x = 1,619,395,385.22 × 644,829,699.24
  4. Step 4: Simplify right side
    1,173,465,576.36x = 1,044,234,239,202,056,576
  5. Step 5: Solve for x
    x = 1,044,234,239,202,056,576/1,173,465,576.36
  6. Step 6: Final answer
    x = 889,872,068.03

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.