Home / 209,935,174,200.70-289,710,353,205.42-118,502,970,393.09

Finding the Fourth Proportional to 209,935,174,200.70, 289,710,353,205.42 and 118,502,970,393.09

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Solution

The fourth proportional to 209,935,174,200.70, 289,710,353,205.42 and 118,502,970,393.09 is: 163,533,993,477.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,935,174,200.70 : 289,710,353,205.42 = 118,502,970,393.09 : x
  2. Step 2: Convert to fraction form
    209,935,174,200.70/289,710,353,205.42 = 118,502,970,393.09/x
  3. Step 3: Cross multiply
    209,935,174,200.70x = 289,710,353,205.42 × 118,502,970,393.09
  4. Step 4: Simplify right side
    209,935,174,200.70x = 34,331,537,408,473,528,532,992
  5. Step 5: Solve for x
    x = 34,331,537,408,473,528,532,992/209,935,174,200.70
  6. Step 6: Final answer
    x = 163,533,993,477.68

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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.