Home / 636,920,583,737.72-955,384,447,186.02-212,447,683,445.44

Finding the Fourth Proportional to 636,920,583,737.72, 955,384,447,186.02 and 212,447,683,445.44

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Solution

The fourth proportional to 636,920,583,737.72, 955,384,447,186.02 and 212,447,683,445.44 is: 318,672,716,484.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,920,583,737.72 : 955,384,447,186.02 = 212,447,683,445.44 : x
  2. Step 2: Convert to fraction form
    636,920,583,737.72/955,384,447,186.02 = 212,447,683,445.44/x
  3. Step 3: Cross multiply
    636,920,583,737.72x = 955,384,447,186.02 × 212,447,683,445.44
  4. Step 4: Simplify right side
    636,920,583,737.72x = 202,969,212,604,472,285,462,528
  5. Step 5: Solve for x
    x = 202,969,212,604,472,285,462,528/636,920,583,737.72
  6. Step 6: Final answer
    x = 318,672,716,484.31

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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.