Home / 727,823,265.50-1,090,623,981.53-432,136,116.98

Finding the Fourth Proportional to 727,823,265.50, 1,090,623,981.53 and 432,136,116.98

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Solution

The fourth proportional to 727,823,265.50, 1,090,623,981.53 and 432,136,116.98 is: 647,544,582.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,823,265.50 : 1,090,623,981.53 = 432,136,116.98 : x
  2. Step 2: Convert to fraction form
    727,823,265.50/1,090,623,981.53 = 432,136,116.98/x
  3. Step 3: Cross multiply
    727,823,265.50x = 1,090,623,981.53 × 432,136,116.98
  4. Step 4: Simplify right side
    727,823,265.50x = 471,298,012,456,027,712
  5. Step 5: Solve for x
    x = 471,298,012,456,027,712/727,823,265.50
  6. Step 6: Final answer
    x = 647,544,582.32

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1.5x scale

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.