Home / 490,158,020.20-735,237,030.30-436,588,767.40

Finding the Fourth Proportional to 490,158,020.20, 735,237,030.30 and 436,588,767.40

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Solution

The fourth proportional to 490,158,020.20, 735,237,030.30 and 436,588,767.40 is: 654,883,151.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,158,020.20 : 735,237,030.30 = 436,588,767.40 : x
  2. Step 2: Convert to fraction form
    490,158,020.20/735,237,030.30 = 436,588,767.40/x
  3. Step 3: Cross multiply
    490,158,020.20x = 735,237,030.30 × 436,588,767.40
  4. Step 4: Simplify right side
    490,158,020.20x = 320,996,228,805,513,408
  5. Step 5: Solve for x
    x = 320,996,228,805,513,408/490,158,020.20
  6. Step 6: Final answer
    x = 654,883,151.10

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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.