Home / 745,872,015.20-1,118,808,022.80-591,683,266.40

Finding the Fourth Proportional to 745,872,015.20, 1,118,808,022.80 and 591,683,266.40

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Solution

The fourth proportional to 745,872,015.20, 1,118,808,022.80 and 591,683,266.40 is: 887,524,899.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,872,015.20 : 1,118,808,022.80 = 591,683,266.40 : x
  2. Step 2: Convert to fraction form
    745,872,015.20/1,118,808,022.80 = 591,683,266.40/x
  3. Step 3: Cross multiply
    745,872,015.20x = 1,118,808,022.80 × 591,683,266.40
  4. Step 4: Simplify right side
    745,872,015.20x = 661,979,985,404,829,568
  5. Step 5: Solve for x
    x = 661,979,985,404,829,568/745,872,015.20
  6. Step 6: Final answer
    x = 887,524,899.60

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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.