Home / 356,319,105.40-534,478,658.10-298,923,477.40

Finding the Fourth Proportional to 356,319,105.40, 534,478,658.10 and 298,923,477.40

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Solution

The fourth proportional to 356,319,105.40, 534,478,658.10 and 298,923,477.40 is: 448,385,216.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,319,105.40 : 534,478,658.10 = 298,923,477.40 : x
  2. Step 2: Convert to fraction form
    356,319,105.40/534,478,658.10 = 298,923,477.40/x
  3. Step 3: Cross multiply
    356,319,105.40x = 534,478,658.10 × 298,923,477.40
  4. Step 4: Simplify right side
    356,319,105.40x = 159,768,219,075,337,664
  5. Step 5: Solve for x
    x = 159,768,219,075,337,664/356,319,105.40
  6. Step 6: Final answer
    x = 448,385,216.10

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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.