Home / 750,821,464.80-1,126,232,197.20-637,447,384.80

Finding the Fourth Proportional to 750,821,464.80, 1,126,232,197.20 and 637,447,384.80

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Solution

The fourth proportional to 750,821,464.80, 1,126,232,197.20 and 637,447,384.80 is: 956,171,077.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,821,464.80 : 1,126,232,197.20 = 637,447,384.80 : x
  2. Step 2: Convert to fraction form
    750,821,464.80/1,126,232,197.20 = 637,447,384.80/x
  3. Step 3: Cross multiply
    750,821,464.80x = 1,126,232,197.20 × 637,447,384.80
  4. Step 4: Simplify right side
    750,821,464.80x = 717,913,768,782,697,856
  5. Step 5: Solve for x
    x = 717,913,768,782,697,856/750,821,464.80
  6. Step 6: Final answer
    x = 956,171,077.20

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Double scale
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Similar ratio
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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.