Home / 1,520,127,907.97-2,279,751,430.20-456,507,844.67

Finding the Fourth Proportional to 1,520,127,907.97, 2,279,751,430.20 and 456,507,844.67

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Solution

The fourth proportional to 1,520,127,907.97, 2,279,751,430.20 and 456,507,844.67 is: 684,629,501.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,127,907.97 : 2,279,751,430.20 = 456,507,844.67 : x
  2. Step 2: Convert to fraction form
    1,520,127,907.97/2,279,751,430.20 = 456,507,844.67/x
  3. Step 3: Cross multiply
    1,520,127,907.97x = 2,279,751,430.20 × 456,507,844.67
  4. Step 4: Simplify right side
    1,520,127,907.97x = 1,040,724,411,772,553,088
  5. Step 5: Solve for x
    x = 1,040,724,411,772,553,088/1,520,127,907.97
  6. Step 6: Final answer
    x = 684,629,501.45

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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.