Home / 935,572,232.45-1,290,883,273.38-553,904,751.62

Finding the Fourth Proportional to 935,572,232.45, 1,290,883,273.38 and 553,904,751.62

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Solution

The fourth proportional to 935,572,232.45, 1,290,883,273.38 and 553,904,751.62 is: 764,266,353.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,572,232.45 : 1,290,883,273.38 = 553,904,751.62 : x
  2. Step 2: Convert to fraction form
    935,572,232.45/1,290,883,273.38 = 553,904,751.62/x
  3. Step 3: Cross multiply
    935,572,232.45x = 1,290,883,273.38 × 553,904,751.62
  4. Step 4: Simplify right side
    935,572,232.45x = 715,026,378,905,507,072
  5. Step 5: Solve for x
    x = 715,026,378,905,507,072/935,572,232.45
  6. Step 6: Final answer
    x = 764,266,353.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.