Home / 28,554,880,045.82-39,406,091,541.78-15,695,923,939.74

Finding the Fourth Proportional to 28,554,880,045.82, 39,406,091,541.78 and 15,695,923,939.74

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Solution

The fourth proportional to 28,554,880,045.82, 39,406,091,541.78 and 15,695,923,939.74 is: 21,660,571,314.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,554,880,045.82 : 39,406,091,541.78 = 15,695,923,939.74 : x
  2. Step 2: Convert to fraction form
    28,554,880,045.82/39,406,091,541.78 = 15,695,923,939.74/x
  3. Step 3: Cross multiply
    28,554,880,045.82x = 39,406,091,541.78 × 15,695,923,939.74
  4. Step 4: Simplify right side
    28,554,880,045.82x = 618,515,015,602,210,603,008
  5. Step 5: Solve for x
    x = 618,515,015,602,210,603,008/28,554,880,045.82
  6. Step 6: Final answer
    x = 21,660,571,314.25

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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.