Home / 778,044,057.16-1,165,195,806.36-445,041,799.60

Finding the Fourth Proportional to 778,044,057.16, 1,165,195,806.36 and 445,041,799.60

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Solution

The fourth proportional to 778,044,057.16, 1,165,195,806.36 and 445,041,799.60 is: 666,492,898.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,044,057.16 : 1,165,195,806.36 = 445,041,799.60 : x
  2. Step 2: Convert to fraction form
    778,044,057.16/1,165,195,806.36 = 445,041,799.60/x
  3. Step 3: Cross multiply
    778,044,057.16x = 1,165,195,806.36 × 445,041,799.60
  4. Step 4: Simplify right side
    778,044,057.16x = 518,560,838,548,827,520
  5. Step 5: Solve for x
    x = 518,560,838,548,827,520/778,044,057.16
  6. Step 6: Final answer
    x = 666,492,898.15

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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.