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Finding the Fourth Proportional to 1,323,132,316.90, 1,984,698,475.35 and 1,323,132,316.90

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Solution

The fourth proportional to 1,323,132,316.90, 1,984,698,475.35 and 1,323,132,316.90 is: 1,984,698,475.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,132,316.90 : 1,984,698,475.35 = 1,323,132,316.90 : x
  2. Step 2: Convert to fraction form
    1,323,132,316.90/1,984,698,475.35 = 1,323,132,316.90/x
  3. Step 3: Cross multiply
    1,323,132,316.90x = 1,984,698,475.35 × 1,323,132,316.90
  4. Step 4: Simplify right side
    1,323,132,316.90x = 2,626,018,692,037,743,104
  5. Step 5: Solve for x
    x = 2,626,018,692,037,743,104/1,323,132,316.90
  6. Step 6: Final answer
    x = 1,984,698,475.35

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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.