Home / 839,666,293.98-1,158,792,810.39-468,387,568.86

Finding the Fourth Proportional to 839,666,293.98, 1,158,792,810.39 and 468,387,568.86

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Solution

The fourth proportional to 839,666,293.98, 1,158,792,810.39 and 468,387,568.86 is: 646,404,590.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,666,293.98 : 1,158,792,810.39 = 468,387,568.86 : x
  2. Step 2: Convert to fraction form
    839,666,293.98/1,158,792,810.39 = 468,387,568.86/x
  3. Step 3: Cross multiply
    839,666,293.98x = 1,158,792,810.39 × 468,387,568.86
  4. Step 4: Simplify right side
    839,666,293.98x = 542,764,147,271,019,136
  5. Step 5: Solve for x
    x = 542,764,147,271,019,136/839,666,293.98
  6. Step 6: Final answer
    x = 646,404,590.92

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1.5x scale

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.