Home / 1,611,706,410.40-2,417,559,615.60-521,299,703.20

Finding the Fourth Proportional to 1,611,706,410.40, 2,417,559,615.60 and 521,299,703.20

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Solution

The fourth proportional to 1,611,706,410.40, 2,417,559,615.60 and 521,299,703.20 is: 781,949,554.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,706,410.40 : 2,417,559,615.60 = 521,299,703.20 : x
  2. Step 2: Convert to fraction form
    1,611,706,410.40/2,417,559,615.60 = 521,299,703.20/x
  3. Step 3: Cross multiply
    1,611,706,410.40x = 2,417,559,615.60 × 521,299,703.20
  4. Step 4: Simplify right side
    1,611,706,410.40x = 1,260,273,110,080,585,984
  5. Step 5: Solve for x
    x = 1,260,273,110,080,585,984/1,611,706,410.40
  6. Step 6: Final answer
    x = 781,949,554.80

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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.