Home / 815,136,845.10-1,124,601,901.47-533,044,422.06

Finding the Fourth Proportional to 815,136,845.10, 1,124,601,901.47 and 533,044,422.06

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Solution

The fourth proportional to 815,136,845.10, 1,124,601,901.47 and 533,044,422.06 is: 735,413,659.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,136,845.10 : 1,124,601,901.47 = 533,044,422.06 : x
  2. Step 2: Convert to fraction form
    815,136,845.10/1,124,601,901.47 = 533,044,422.06/x
  3. Step 3: Cross multiply
    815,136,845.10x = 1,124,601,901.47 × 533,044,422.06
  4. Step 4: Simplify right side
    815,136,845.10x = 599,462,770,616,653,184
  5. Step 5: Solve for x
    x = 599,462,770,616,653,184/815,136,845.10
  6. Step 6: Final answer
    x = 735,413,659.95

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Double scale
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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.