Home / 153,256,323,280.40-229,884,484,920.60-90,564,992,003.60

Finding the Fourth Proportional to 153,256,323,280.40, 229,884,484,920.60 and 90,564,992,003.60

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Solution

The fourth proportional to 153,256,323,280.40, 229,884,484,920.60 and 90,564,992,003.60 is: 135,847,488,005.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,256,323,280.40 : 229,884,484,920.60 = 90,564,992,003.60 : x
  2. Step 2: Convert to fraction form
    153,256,323,280.40/229,884,484,920.60 = 90,564,992,003.60/x
  3. Step 3: Cross multiply
    153,256,323,280.40x = 229,884,484,920.60 × 90,564,992,003.60
  4. Step 4: Simplify right side
    153,256,323,280.40x = 20,819,486,538,585,845,268,480
  5. Step 5: Solve for x
    x = 20,819,486,538,585,845,268,480/153,256,323,280.40
  6. Step 6: Final answer
    x = 135,847,488,005.40

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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.