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Finding the Fourth Proportional to 952,978,848.07, 1,315,142,746.50 and 529,610,353.54

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Solution

The fourth proportional to 952,978,848.07, 1,315,142,746.50 and 529,610,353.54 is: 730,880,036.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    952,978,848.07 : 1,315,142,746.50 = 529,610,353.54 : x
  2. Step 2: Convert to fraction form
    952,978,848.07/1,315,142,746.50 = 529,610,353.54/x
  3. Step 3: Cross multiply
    952,978,848.07x = 1,315,142,746.50 × 529,610,353.54
  4. Step 4: Simplify right side
    952,978,848.07x = 696,513,214,926,581,632
  5. Step 5: Solve for x
    x = 696,513,214,926,581,632/952,978,848.07
  6. Step 6: Final answer
    x = 730,880,036.15

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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.