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Finding the Fourth Proportional to 995,710,264.64, 1,374,084,554 and 549,677,293.07

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Solution

The fourth proportional to 995,710,264.64, 1,374,084,554 and 549,677,293.07 is: 758,557,087.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,710,264.64 : 1,374,084,554 = 549,677,293.07 : x
  2. Step 2: Convert to fraction form
    995,710,264.64/1,374,084,554 = 549,677,293.07/x
  3. Step 3: Cross multiply
    995,710,264.64x = 1,374,084,554 × 549,677,293.07
  4. Step 4: Simplify right side
    995,710,264.64x = 755,303,078,092,018,304
  5. Step 5: Solve for x
    x = 755,303,078,092,018,304/995,710,264.64
  6. Step 6: Final answer
    x = 758,557,087.25

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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.