Home / 734,905,579.50-1,013,488,470.72-536,352,573.42

Finding the Fourth Proportional to 734,905,579.50, 1,013,488,470.72 and 536,352,573.42

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Solution

The fourth proportional to 734,905,579.50, 1,013,488,470.72 and 536,352,573.42 is: 739,669,373.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,905,579.50 : 1,013,488,470.72 = 536,352,573.42 : x
  2. Step 2: Convert to fraction form
    734,905,579.50/1,013,488,470.72 = 536,352,573.42/x
  3. Step 3: Cross multiply
    734,905,579.50x = 1,013,488,470.72 × 536,352,573.42
  4. Step 4: Simplify right side
    734,905,579.50x = 543,587,149,402,172,352
  5. Step 5: Solve for x
    x = 543,587,149,402,172,352/734,905,579.50
  6. Step 6: Final answer
    x = 739,669,373.27

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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.