Home / 769,559,388.64-1,061,963,505.10-417,127,812.54

Finding the Fourth Proportional to 769,559,388.64, 1,061,963,505.10 and 417,127,812.54

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Solution

The fourth proportional to 769,559,388.64, 1,061,963,505.10 and 417,127,812.54 is: 575,620,959.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,559,388.64 : 1,061,963,505.10 = 417,127,812.54 : x
  2. Step 2: Convert to fraction form
    769,559,388.64/1,061,963,505.10 = 417,127,812.54/x
  3. Step 3: Cross multiply
    769,559,388.64x = 1,061,963,505.10 × 417,127,812.54
  4. Step 4: Simplify right side
    769,559,388.64x = 442,974,513,879,674,176
  5. Step 5: Solve for x
    x = 442,974,513,879,674,176/769,559,388.64
  6. Step 6: Final answer
    x = 575,620,959.76

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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.