Home / 930,875,561,038.90-1,284,639,970,418.60-540,211,878,270.70

Finding the Fourth Proportional to 930,875,561,038.90, 1,284,639,970,418.60 and 540,211,878,270.70

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Solution

The fourth proportional to 930,875,561,038.90, 1,284,639,970,418.60 and 540,211,878,270.70 is: 745,510,786,153.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,875,561,038.90 : 1,284,639,970,418.60 = 540,211,878,270.70 : x
  2. Step 2: Convert to fraction form
    930,875,561,038.90/1,284,639,970,418.60 = 540,211,878,270.70/x
  3. Step 3: Cross multiply
    930,875,561,038.90x = 1,284,639,970,418.60 × 540,211,878,270.70
  4. Step 4: Simplify right side
    930,875,561,038.90x = 693,977,771,321,448,411,955,200
  5. Step 5: Solve for x
    x = 693,977,771,321,448,411,955,200/930,875,561,038.90
  6. Step 6: Final answer
    x = 745,510,786,153.78

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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.