Home / 606,528,025.20-909,792,037.80-402,286,719.60

Finding the Fourth Proportional to 606,528,025.20, 909,792,037.80 and 402,286,719.60

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Solution

The fourth proportional to 606,528,025.20, 909,792,037.80 and 402,286,719.60 is: 603,430,079.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,528,025.20 : 909,792,037.80 = 402,286,719.60 : x
  2. Step 2: Convert to fraction form
    606,528,025.20/909,792,037.80 = 402,286,719.60/x
  3. Step 3: Cross multiply
    606,528,025.20x = 909,792,037.80 × 402,286,719.60
  4. Step 4: Simplify right side
    606,528,025.20x = 365,997,254,404,761,216
  5. Step 5: Solve for x
    x = 365,997,254,404,761,216/606,528,025.20
  6. Step 6: Final answer
    x = 603,430,079.40

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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.