Home / 1,169,186,300.16-1,613,476,853.28-640,569,037.44

Finding the Fourth Proportional to 1,169,186,300.16, 1,613,476,853.28 and 640,569,037.44

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Solution

The fourth proportional to 1,169,186,300.16, 1,613,476,853.28 and 640,569,037.44 is: 883,985,139.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,186,300.16 : 1,613,476,853.28 = 640,569,037.44 : x
  2. Step 2: Convert to fraction form
    1,169,186,300.16/1,613,476,853.28 = 640,569,037.44/x
  3. Step 3: Cross multiply
    1,169,186,300.16x = 1,613,476,853.28 × 640,569,037.44
  4. Step 4: Simplify right side
    1,169,186,300.16x = 1,033,543,314,837,289,728
  5. Step 5: Solve for x
    x = 1,033,543,314,837,289,728/1,169,186,300.16
  6. Step 6: Final answer
    x = 883,985,139.66

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Double scale
Find fourth proportional to 1,169,186,301.16, 1,613,476,854.66 and 640,569,038.44
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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.