Home / 823,684,503.89-1,136,754,718.88-466,515,818.15

Finding the Fourth Proportional to 823,684,503.89, 1,136,754,718.88 and 466,515,818.15

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Solution

The fourth proportional to 823,684,503.89, 1,136,754,718.88 and 466,515,818.15 is: 643,831,534.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,684,503.89 : 1,136,754,718.88 = 466,515,818.15 : x
  2. Step 2: Convert to fraction form
    823,684,503.89/1,136,754,718.88 = 466,515,818.15/x
  3. Step 3: Cross multiply
    823,684,503.89x = 1,136,754,718.88 × 466,515,818.15
  4. Step 4: Simplify right side
    823,684,503.89x = 530,314,057,706,160,064
  5. Step 5: Solve for x
    x = 530,314,057,706,160,064/823,684,503.89
  6. Step 6: Final answer
    x = 643,831,534.04

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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.