Home / 904,410,291.60-1,248,356,856.36-528,168,368.72

Finding the Fourth Proportional to 904,410,291.60, 1,248,356,856.36 and 528,168,368.72

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Solution

The fourth proportional to 904,410,291.60, 1,248,356,856.36 and 528,168,368.72 is: 729,030,408.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,410,291.60 : 1,248,356,856.36 = 528,168,368.72 : x
  2. Step 2: Convert to fraction form
    904,410,291.60/1,248,356,856.36 = 528,168,368.72/x
  3. Step 3: Cross multiply
    904,410,291.60x = 1,248,356,856.36 × 528,168,368.72
  4. Step 4: Simplify right side
    904,410,291.60x = 659,342,604,404,088,576
  5. Step 5: Solve for x
    x = 659,342,604,404,088,576/904,410,291.60
  6. Step 6: Final answer
    x = 729,030,408.57

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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.