Home / 1,043,492,811.92-1,565,495,463.09-519,109,335.44

Finding the Fourth Proportional to 1,043,492,811.92, 1,565,495,463.09 and 519,109,335.44

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Solution

The fourth proportional to 1,043,492,811.92, 1,565,495,463.09 and 519,109,335.44 is: 778,791,478.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,492,811.92 : 1,565,495,463.09 = 519,109,335.44 : x
  2. Step 2: Convert to fraction form
    1,043,492,811.92/1,565,495,463.09 = 519,109,335.44/x
  3. Step 3: Cross multiply
    1,043,492,811.92x = 1,565,495,463.09 × 519,109,335.44
  4. Step 4: Simplify right side
    1,043,492,811.92x = 812,663,309,478,984,960
  5. Step 5: Solve for x
    x = 812,663,309,478,984,960/1,043,492,811.92
  6. Step 6: Final answer
    x = 778,791,478.19

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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.