Home / 1,294,774,867.40-1,942,162,301.10-476,780,880.20

Finding the Fourth Proportional to 1,294,774,867.40, 1,942,162,301.10 and 476,780,880.20

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Solution

The fourth proportional to 1,294,774,867.40, 1,942,162,301.10 and 476,780,880.20 is: 715,171,320.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,774,867.40 : 1,942,162,301.10 = 476,780,880.20 : x
  2. Step 2: Convert to fraction form
    1,294,774,867.40/1,942,162,301.10 = 476,780,880.20/x
  3. Step 3: Cross multiply
    1,294,774,867.40x = 1,942,162,301.10 × 476,780,880.20
  4. Step 4: Simplify right side
    1,294,774,867.40x = 925,985,851,409,715,328
  5. Step 5: Solve for x
    x = 925,985,851,409,715,328/1,294,774,867.40
  6. Step 6: Final answer
    x = 715,171,320.30

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Half scale
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Double scale
Find fourth proportional to 1,294,774,868.40, 1,942,162,302.60 and 476,780,881.20
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.