Home / 1,121,009,968.30-1,681,514,952.45-1,114,552,960.15

Finding the Fourth Proportional to 1,121,009,968.30, 1,681,514,952.45 and 1,114,552,960.15

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Solution

The fourth proportional to 1,121,009,968.30, 1,681,514,952.45 and 1,114,552,960.15 is: 1,671,829,440.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,009,968.30 : 1,681,514,952.45 = 1,114,552,960.15 : x
  2. Step 2: Convert to fraction form
    1,121,009,968.30/1,681,514,952.45 = 1,114,552,960.15/x
  3. Step 3: Cross multiply
    1,121,009,968.30x = 1,681,514,952.45 × 1,114,552,960.15
  4. Step 4: Simplify right side
    1,121,009,968.30x = 1,874,137,467,789,634,304
  5. Step 5: Solve for x
    x = 1,874,137,467,789,634,304/1,121,009,968.30
  6. Step 6: Final answer
    x = 1,671,829,440.23

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Double scale
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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.