Home / 648,235,715.04-972,356,065.74-156,948,166.26

Finding the Fourth Proportional to 648,235,715.04, 972,356,065.74 and 156,948,166.26

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Solution

The fourth proportional to 648,235,715.04, 972,356,065.74 and 156,948,166.26 is: 235,422,853.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,235,715.04 : 972,356,065.74 = 156,948,166.26 : x
  2. Step 2: Convert to fraction form
    648,235,715.04/972,356,065.74 = 156,948,166.26/x
  3. Step 3: Cross multiply
    648,235,715.04x = 972,356,065.74 × 156,948,166.26
  4. Step 4: Simplify right side
    648,235,715.04x = 152,609,501,469,680,992
  5. Step 5: Solve for x
    x = 152,609,501,469,680,992/648,235,715.04
  6. Step 6: Final answer
    x = 235,422,853.03

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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.