Home / 606,528,007.20-909,792,010.80-402,286,701.60

Finding the Fourth Proportional to 606,528,007.20, 909,792,010.80 and 402,286,701.60

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Solution

The fourth proportional to 606,528,007.20, 909,792,010.80 and 402,286,701.60 is: 603,430,052.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,528,007.20 : 909,792,010.80 = 402,286,701.60 : x
  2. Step 2: Convert to fraction form
    606,528,007.20/909,792,010.80 = 402,286,701.60/x
  3. Step 3: Cross multiply
    606,528,007.20x = 909,792,010.80 × 402,286,701.60
  4. Step 4: Simplify right side
    606,528,007.20x = 365,997,227,166,763,584
  5. Step 5: Solve for x
    x = 365,997,227,166,763,584/606,528,007.20
  6. Step 6: Final answer
    x = 603,430,052.40

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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.