Home / 28,338,696,602.21-42,514,014,905.99-9,192,812,897.62

Finding the Fourth Proportional to 28,338,696,602.21, 42,514,014,905.99 and 9,192,812,897.62

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Solution

The fourth proportional to 28,338,696,602.21, 42,514,014,905.99 and 9,192,812,897.62 is: 13,791,155,960.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,338,696,602.21 : 42,514,014,905.99 = 9,192,812,897.62 : x
  2. Step 2: Convert to fraction form
    28,338,696,602.21/42,514,014,905.99 = 9,192,812,897.62/x
  3. Step 3: Cross multiply
    28,338,696,602.21x = 42,514,014,905.99 × 9,192,812,897.62
  4. Step 4: Simplify right side
    28,338,696,602.21x = 390,823,384,557,393,805,312
  5. Step 5: Solve for x
    x = 390,823,384,557,393,805,312/28,338,696,602.21
  6. Step 6: Final answer
    x = 13,791,155,960.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.