Home / 1,148,032,389.92-1,583,438,862.72-865,786,725.32

Finding the Fourth Proportional to 1,148,032,389.92, 1,583,438,862.72 and 865,786,725.32

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Solution

The fourth proportional to 1,148,032,389.92, 1,583,438,862.72 and 865,786,725.32 is: 1,194,147,795.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,032,389.92 : 1,583,438,862.72 = 865,786,725.32 : x
  2. Step 2: Convert to fraction form
    1,148,032,389.92/1,583,438,862.72 = 865,786,725.32/x
  3. Step 3: Cross multiply
    1,148,032,389.92x = 1,583,438,862.72 × 865,786,725.32
  4. Step 4: Simplify right side
    1,148,032,389.92x = 1,370,920,347,698,774,016
  5. Step 5: Solve for x
    x = 1,370,920,347,698,774,016/1,148,032,389.92
  6. Step 6: Final answer
    x = 1,194,147,795.60

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Double scale
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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.