Home / 3,089,510,752.16-4,263,678,018.96-1,916,466,937.76

Finding the Fourth Proportional to 3,089,510,752.16, 4,263,678,018.96 and 1,916,466,937.76

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Solution

The fourth proportional to 3,089,510,752.16, 4,263,678,018.96 and 1,916,466,937.76 is: 2,644,819,394.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089,510,752.16 : 4,263,678,018.96 = 1,916,466,937.76 : x
  2. Step 2: Convert to fraction form
    3,089,510,752.16/4,263,678,018.96 = 1,916,466,937.76/x
  3. Step 3: Cross multiply
    3,089,510,752.16x = 4,263,678,018.96 × 1,916,466,937.76
  4. Step 4: Simplify right side
    3,089,510,752.16x = 8,171,197,956,590,894,080
  5. Step 5: Solve for x
    x = 8,171,197,956,590,894,080/3,089,510,752.16
  6. Step 6: Final answer
    x = 2,644,819,394.42

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.