Home / 1,049,282,315.20-1,573,923,472.80-435,550,628.80

Finding the Fourth Proportional to 1,049,282,315.20, 1,573,923,472.80 and 435,550,628.80

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Solution

The fourth proportional to 1,049,282,315.20, 1,573,923,472.80 and 435,550,628.80 is: 653,325,943.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,282,315.20 : 1,573,923,472.80 = 435,550,628.80 : x
  2. Step 2: Convert to fraction form
    1,049,282,315.20/1,573,923,472.80 = 435,550,628.80/x
  3. Step 3: Cross multiply
    1,049,282,315.20x = 1,573,923,472.80 × 435,550,628.80
  4. Step 4: Simplify right side
    1,049,282,315.20x = 685,523,358,261,119,744
  5. Step 5: Solve for x
    x = 685,523,358,261,119,744/1,049,282,315.20
  6. Step 6: Final answer
    x = 653,325,943.20

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Half scale
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Double scale
Find fourth proportional to 1,049,282,316.20, 1,573,923,474.30 and 435,550,629.80
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.