Home / 651,392,066.40-977,088,099.60-457,522,389.60

Finding the Fourth Proportional to 651,392,066.40, 977,088,099.60 and 457,522,389.60

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Solution

The fourth proportional to 651,392,066.40, 977,088,099.60 and 457,522,389.60 is: 686,283,584.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,392,066.40 : 977,088,099.60 = 457,522,389.60 : x
  2. Step 2: Convert to fraction form
    651,392,066.40/977,088,099.60 = 457,522,389.60/x
  3. Step 3: Cross multiply
    651,392,066.40x = 977,088,099.60 × 457,522,389.60
  4. Step 4: Simplify right side
    651,392,066.40x = 447,039,682,178,714,816
  5. Step 5: Solve for x
    x = 447,039,682,178,714,816/651,392,066.40
  6. Step 6: Final answer
    x = 686,283,584.40

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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.