Home / 153,256,323,281.40-229,884,484,922.10-90,564,992,004.60

Finding the Fourth Proportional to 153,256,323,281.40, 229,884,484,922.10 and 90,564,992,004.60

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Solution

The fourth proportional to 153,256,323,281.40, 229,884,484,922.10 and 90,564,992,004.60 is: 135,847,488,006.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,256,323,281.40 : 229,884,484,922.10 = 90,564,992,004.60 : x
  2. Step 2: Convert to fraction form
    153,256,323,281.40/229,884,484,922.10 = 90,564,992,004.60/x
  3. Step 3: Cross multiply
    153,256,323,281.40x = 229,884,484,922.10 × 90,564,992,004.60
  4. Step 4: Simplify right side
    153,256,323,281.40x = 20,819,486,538,951,575,994,368
  5. Step 5: Solve for x
    x = 20,819,486,538,951,575,994,368/153,256,323,281.40
  6. Step 6: Final answer
    x = 135,847,488,006.90

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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.