Home / 1,165,966,641.71-1,609,033,846.71-637,332,738.90

Finding the Fourth Proportional to 1,165,966,641.71, 1,609,033,846.71 and 637,332,738.90

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Solution

The fourth proportional to 1,165,966,641.71, 1,609,033,846.71 and 637,332,738.90 is: 879,519,114.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,966,641.71 : 1,609,033,846.71 = 637,332,738.90 : x
  2. Step 2: Convert to fraction form
    1,165,966,641.71/1,609,033,846.71 = 637,332,738.90/x
  3. Step 3: Cross multiply
    1,165,966,641.71x = 1,609,033,846.71 × 637,332,738.90
  4. Step 4: Simplify right side
    1,165,966,641.71x = 1,025,489,948,502,875,008
  5. Step 5: Solve for x
    x = 1,025,489,948,502,875,008/1,165,966,641.71
  6. Step 6: Final answer
    x = 879,519,114.71

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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.