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Finding the Fourth Proportional to 606,641,946.90, 909,962,920.35 and 606,641,946.90

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Solution

The fourth proportional to 606,641,946.90, 909,962,920.35 and 606,641,946.90 is: 909,962,920.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,641,946.90 : 909,962,920.35 = 606,641,946.90 : x
  2. Step 2: Convert to fraction form
    606,641,946.90/909,962,920.35 = 606,641,946.90/x
  3. Step 3: Cross multiply
    606,641,946.90x = 909,962,920.35 × 606,641,946.90
  4. Step 4: Simplify right side
    606,641,946.90x = 552,021,677,607,933,632
  5. Step 5: Solve for x
    x = 552,021,677,607,933,632/606,641,946.90
  6. Step 6: Final answer
    x = 909,962,920.35

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1.5x scale

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.