Home / 1,170,036,341.40-1,755,054,512.10-480,438,499.80

Finding the Fourth Proportional to 1,170,036,341.40, 1,755,054,512.10 and 480,438,499.80

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Solution

The fourth proportional to 1,170,036,341.40, 1,755,054,512.10 and 480,438,499.80 is: 720,657,749.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,036,341.40 : 1,755,054,512.10 = 480,438,499.80 : x
  2. Step 2: Convert to fraction form
    1,170,036,341.40/1,755,054,512.10 = 480,438,499.80/x
  3. Step 3: Cross multiply
    1,170,036,341.40x = 1,755,054,512.10 × 480,438,499.80
  4. Step 4: Simplify right side
    1,170,036,341.40x = 843,195,756,860,544,896
  5. Step 5: Solve for x
    x = 843,195,756,860,544,896/1,170,036,341.40
  6. Step 6: Final answer
    x = 720,657,749.70

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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.