Home / 995,331,920.80-1,492,997,881.20-510,706,717.60

Finding the Fourth Proportional to 995,331,920.80, 1,492,997,881.20 and 510,706,717.60

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Solution

The fourth proportional to 995,331,920.80, 1,492,997,881.20 and 510,706,717.60 is: 766,060,076.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,331,920.80 : 1,492,997,881.20 = 510,706,717.60 : x
  2. Step 2: Convert to fraction form
    995,331,920.80/1,492,997,881.20 = 510,706,717.60/x
  3. Step 3: Cross multiply
    995,331,920.80x = 1,492,997,881.20 × 510,706,717.60
  4. Step 4: Simplify right side
    995,331,920.80x = 762,484,047,291,406,848
  5. Step 5: Solve for x
    x = 762,484,047,291,406,848/995,331,920.80
  6. Step 6: Final answer
    x = 766,060,076.40

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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.