Home / 1,347,946,543.60-2,021,919,815.40-326,740,015.60

Finding the Fourth Proportional to 1,347,946,543.60, 2,021,919,815.40 and 326,740,015.60

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Solution

The fourth proportional to 1,347,946,543.60, 2,021,919,815.40 and 326,740,015.60 is: 490,110,023.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,946,543.60 : 2,021,919,815.40 = 326,740,015.60 : x
  2. Step 2: Convert to fraction form
    1,347,946,543.60/2,021,919,815.40 = 326,740,015.60/x
  3. Step 3: Cross multiply
    1,347,946,543.60x = 2,021,919,815.40 × 326,740,015.60
  4. Step 4: Simplify right side
    1,347,946,543.60x = 660,642,112,025,745,152
  5. Step 5: Solve for x
    x = 660,642,112,025,745,152/1,347,946,543.60
  6. Step 6: Final answer
    x = 490,110,023.40

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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.