Home / 972,077,297.75-1,457,525,486.21-381,159,574.64

Finding the Fourth Proportional to 972,077,297.75, 1,457,525,486.21 and 381,159,574.64

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Solution

The fourth proportional to 972,077,297.75, 1,457,525,486.21 and 381,159,574.64 is: 571,507,837.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,077,297.75 : 1,457,525,486.21 = 381,159,574.64 : x
  2. Step 2: Convert to fraction form
    972,077,297.75/1,457,525,486.21 = 381,159,574.64/x
  3. Step 3: Cross multiply
    972,077,297.75x = 1,457,525,486.21 × 381,159,574.64
  4. Step 4: Simplify right side
    972,077,297.75x = 555,549,794,341,569,344
  5. Step 5: Solve for x
    x = 555,549,794,341,569,344/972,077,297.75
  6. Step 6: Final answer
    x = 571,507,837.53

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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.