Home / 898,346,054.60-1,347,519,081.90-438,047,289.80

Finding the Fourth Proportional to 898,346,054.60, 1,347,519,081.90 and 438,047,289.80

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Solution

The fourth proportional to 898,346,054.60, 1,347,519,081.90 and 438,047,289.80 is: 657,070,934.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,346,054.60 : 1,347,519,081.90 = 438,047,289.80 : x
  2. Step 2: Convert to fraction form
    898,346,054.60/1,347,519,081.90 = 438,047,289.80/x
  3. Step 3: Cross multiply
    898,346,054.60x = 1,347,519,081.90 × 438,047,289.80
  4. Step 4: Simplify right side
    898,346,054.60x = 590,277,081,780,079,232
  5. Step 5: Solve for x
    x = 590,277,081,780,079,232/898,346,054.60
  6. Step 6: Final answer
    x = 657,070,934.70

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Double scale
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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.