Home / 979,631,606.72-1,351,880,032.32-533,593,569.28

Finding the Fourth Proportional to 979,631,606.72, 1,351,880,032.32 and 533,593,569.28

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Solution

The fourth proportional to 979,631,606.72, 1,351,880,032.32 and 533,593,569.28 is: 736,352,815.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,631,606.72 : 1,351,880,032.32 = 533,593,569.28 : x
  2. Step 2: Convert to fraction form
    979,631,606.72/1,351,880,032.32 = 533,593,569.28/x
  3. Step 3: Cross multiply
    979,631,606.72x = 1,351,880,032.32 × 533,593,569.28
  4. Step 4: Simplify right side
    979,631,606.72x = 721,354,491,683,990,528
  5. Step 5: Solve for x
    x = 721,354,491,683,990,528/979,631,606.72
  6. Step 6: Final answer
    x = 736,352,815.42

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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.