Home / 520,401,024,127.80-779,132,208,114.90-520,401,024,127.80

Finding the Fourth Proportional to 520,401,024,127.80, 779,132,208,114.90 and 520,401,024,127.80

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Solution

The fourth proportional to 520,401,024,127.80, 779,132,208,114.90 and 520,401,024,127.80 is: 779,132,208,114.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,401,024,127.80 : 779,132,208,114.90 = 520,401,024,127.80 : x
  2. Step 2: Convert to fraction form
    520,401,024,127.80/779,132,208,114.90 = 520,401,024,127.80/x
  3. Step 3: Cross multiply
    520,401,024,127.80x = 779,132,208,114.90 × 520,401,024,127.80
  4. Step 4: Simplify right side
    520,401,024,127.80x = 405,461,199,033,948,151,218,176
  5. Step 5: Solve for x
    x = 405,461,199,033,948,151,218,176/520,401,024,127.80
  6. Step 6: Final answer
    x = 779,132,208,114.90

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1.5x scale

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.