Home / 502,358,063,477.67-753,537,053,658.36-139,323,724,013.58

Finding the Fourth Proportional to 502,358,063,477.67, 753,537,053,658.36 and 139,323,724,013.58

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Solution

The fourth proportional to 502,358,063,477.67, 753,537,053,658.36 and 139,323,724,013.58 is: 208,985,574,494.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,358,063,477.67 : 753,537,053,658.36 = 139,323,724,013.58 : x
  2. Step 2: Convert to fraction form
    502,358,063,477.67/753,537,053,658.36 = 139,323,724,013.58/x
  3. Step 3: Cross multiply
    502,358,063,477.67x = 753,537,053,658.36 × 139,323,724,013.58
  4. Step 4: Simplify right side
    502,358,063,477.67x = 104,985,588,497,903,568,027,648
  5. Step 5: Solve for x
    x = 104,985,588,497,903,568,027,648/502,358,063,477.67
  6. Step 6: Final answer
    x = 208,985,574,494.66

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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.