Home / 789,941,946.34-1,090,852,653.81-591,358,681.90

Finding the Fourth Proportional to 789,941,946.34, 1,090,852,653.81 and 591,358,681.90

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Solution

The fourth proportional to 789,941,946.34, 1,090,852,653.81 and 591,358,681.90 is: 816,623,538.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,941,946.34 : 1,090,852,653.81 = 591,358,681.90 : x
  2. Step 2: Convert to fraction form
    789,941,946.34/1,090,852,653.81 = 591,358,681.90/x
  3. Step 3: Cross multiply
    789,941,946.34x = 1,090,852,653.81 × 591,358,681.90
  4. Step 4: Simplify right side
    789,941,946.34x = 645,085,187,504,198,528
  5. Step 5: Solve for x
    x = 645,085,187,504,198,528/789,941,946.34
  6. Step 6: Final answer
    x = 816,623,538.59

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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.