Home / 736,021,190.70-1,103,094,000.45-391,140,038.70

Finding the Fourth Proportional to 736,021,190.70, 1,103,094,000.45 and 391,140,038.70

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Solution

The fourth proportional to 736,021,190.70, 1,103,094,000.45 and 391,140,038.70 is: 586,211,695.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,021,190.70 : 1,103,094,000.45 = 391,140,038.70 : x
  2. Step 2: Convert to fraction form
    736,021,190.70/1,103,094,000.45 = 391,140,038.70/x
  3. Step 3: Cross multiply
    736,021,190.70x = 1,103,094,000.45 × 391,140,038.70
  4. Step 4: Simplify right side
    736,021,190.70x = 431,464,230,025,750,848
  5. Step 5: Solve for x
    x = 431,464,230,025,750,848/736,021,190.70
  6. Step 6: Final answer
    x = 586,211,695.37

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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.