Home / 1,042,472,166.91-1,438,639,683.95-613,339,411.26

Finding the Fourth Proportional to 1,042,472,166.91, 1,438,639,683.95 and 613,339,411.26

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Solution

The fourth proportional to 1,042,472,166.91, 1,438,639,683.95 and 613,339,411.26 is: 846,424,916.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,472,166.91 : 1,438,639,683.95 = 613,339,411.26 : x
  2. Step 2: Convert to fraction form
    1,042,472,166.91/1,438,639,683.95 = 613,339,411.26/x
  3. Step 3: Cross multiply
    1,042,472,166.91x = 1,438,639,683.95 × 613,339,411.26
  4. Step 4: Simplify right side
    1,042,472,166.91x = 882,374,416,776,093,696
  5. Step 5: Solve for x
    x = 882,374,416,776,093,696/1,042,472,166.91
  6. Step 6: Final answer
    x = 846,424,916.45

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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.