Home / 628,683,321.60-943,024,982.40-537,984,057.60

Finding the Fourth Proportional to 628,683,321.60, 943,024,982.40 and 537,984,057.60

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Solution

The fourth proportional to 628,683,321.60, 943,024,982.40 and 537,984,057.60 is: 806,976,086.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,683,321.60 : 943,024,982.40 = 537,984,057.60 : x
  2. Step 2: Convert to fraction form
    628,683,321.60/943,024,982.40 = 537,984,057.60/x
  3. Step 3: Cross multiply
    628,683,321.60x = 943,024,982.40 × 537,984,057.60
  4. Step 4: Simplify right side
    628,683,321.60x = 507,332,406,449,720,576
  5. Step 5: Solve for x
    x = 507,332,406,449,720,576/628,683,321.60
  6. Step 6: Final answer
    x = 806,976,086.40

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Double scale
Find fourth proportional to 628,683,322.60, 943,024,983.90 and 537,984,058.60
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.