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Finding the Fourth Proportional to 970,673,326.56, 1,453,698,801.45 and 619,832,671.92

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Solution

The fourth proportional to 970,673,326.56, 1,453,698,801.45 and 619,832,671.92 is: 928,273,176.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,673,326.56 : 1,453,698,801.45 = 619,832,671.92 : x
  2. Step 2: Convert to fraction form
    970,673,326.56/1,453,698,801.45 = 619,832,671.92/x
  3. Step 3: Cross multiply
    970,673,326.56x = 1,453,698,801.45 × 619,832,671.92
  4. Step 4: Simplify right side
    970,673,326.56x = 901,050,012,269,655,040
  5. Step 5: Solve for x
    x = 901,050,012,269,655,040/970,673,326.56
  6. Step 6: Final answer
    x = 928,273,176.58

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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.