Home / 832,772,033.40-1,247,646,395.70-678,583,284.60

Finding the Fourth Proportional to 832,772,033.40, 1,247,646,395.70 and 678,583,284.60

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Solution

The fourth proportional to 832,772,033.40, 1,247,646,395.70 and 678,583,284.60 is: 1,016,643,157.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,772,033.40 : 1,247,646,395.70 = 678,583,284.60 : x
  2. Step 2: Convert to fraction form
    832,772,033.40/1,247,646,395.70 = 678,583,284.60/x
  3. Step 3: Cross multiply
    832,772,033.40x = 1,247,646,395.70 × 678,583,284.60
  4. Step 4: Simplify right side
    832,772,033.40x = 846,631,989,213,457,408
  5. Step 5: Solve for x
    x = 846,631,989,213,457,408/832,772,033.40
  6. Step 6: Final answer
    x = 1,016,643,157.14

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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.