Home / 1,303,453,200.60-1,955,179,800.90-320,871,935.70

Finding the Fourth Proportional to 1,303,453,200.60, 1,955,179,800.90 and 320,871,935.70

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Solution

The fourth proportional to 1,303,453,200.60, 1,955,179,800.90 and 320,871,935.70 is: 481,307,903.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,453,200.60 : 1,955,179,800.90 = 320,871,935.70 : x
  2. Step 2: Convert to fraction form
    1,303,453,200.60/1,955,179,800.90 = 320,871,935.70/x
  3. Step 3: Cross multiply
    1,303,453,200.60x = 1,955,179,800.90 × 320,871,935.70
  4. Step 4: Simplify right side
    1,303,453,200.60x = 627,362,327,356,323,584
  5. Step 5: Solve for x
    x = 627,362,327,356,323,584/1,303,453,200.60
  6. Step 6: Final answer
    x = 481,307,903.55

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Half scale
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Double scale
Find fourth proportional to 1,303,453,201.60, 1,955,179,802.40 and 320,871,936.70
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.