Home / 1,393,566,492.16-1,922,142,655.17-917,105,056.21

Finding the Fourth Proportional to 1,393,566,492.16, 1,922,142,655.17 and 917,105,056.21

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Solution

The fourth proportional to 1,393,566,492.16, 1,922,142,655.17 and 917,105,056.21 is: 1,264,960,629.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,566,492.16 : 1,922,142,655.17 = 917,105,056.21 : x
  2. Step 2: Convert to fraction form
    1,393,566,492.16/1,922,142,655.17 = 917,105,056.21/x
  3. Step 3: Cross multiply
    1,393,566,492.16x = 1,922,142,655.17 × 917,105,056.21
  4. Step 4: Simplify right side
    1,393,566,492.16x = 1,762,806,747,815,724,032
  5. Step 5: Solve for x
    x = 1,762,806,747,815,724,032/1,393,566,492.16
  6. Step 6: Final answer
    x = 1,264,960,629.96

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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.