Home / 832,772,063.40-1,247,646,440.70-678,583,314.60

Finding the Fourth Proportional to 832,772,063.40, 1,247,646,440.70 and 678,583,314.60

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Solution

The fourth proportional to 832,772,063.40, 1,247,646,440.70 and 678,583,314.60 is: 1,016,643,202.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,772,063.40 : 1,247,646,440.70 = 678,583,314.60 : x
  2. Step 2: Convert to fraction form
    832,772,063.40/1,247,646,440.70 = 678,583,314.60/x
  3. Step 3: Cross multiply
    832,772,063.40x = 1,247,646,440.70 × 678,583,314.60
  4. Step 4: Simplify right side
    832,772,063.40x = 846,632,057,179,098,368
  5. Step 5: Solve for x
    x = 846,632,057,179,098,368/832,772,063.40
  6. Step 6: Final answer
    x = 1,016,643,202.13

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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.