Home / 1,478,197,529.01-2,039,913,228.60-809,146,389.74

Finding the Fourth Proportional to 1,478,197,529.01, 2,039,913,228.60 and 809,146,389.74

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Solution

The fourth proportional to 1,478,197,529.01, 2,039,913,228.60 and 809,146,389.74 is: 1,116,622,367.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,197,529.01 : 2,039,913,228.60 = 809,146,389.74 : x
  2. Step 2: Convert to fraction form
    1,478,197,529.01/2,039,913,228.60 = 809,146,389.74/x
  3. Step 3: Cross multiply
    1,478,197,529.01x = 2,039,913,228.60 × 809,146,389.74
  4. Step 4: Simplify right side
    1,478,197,529.01x = 1,650,588,424,294,357,760
  5. Step 5: Solve for x
    x = 1,650,588,424,294,357,760/1,478,197,529.01
  6. Step 6: Final answer
    x = 1,116,622,367.38

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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.