Home / 28,554,880,047.16-39,406,091,543.62-15,695,923,941.08

Finding the Fourth Proportional to 28,554,880,047.16, 39,406,091,543.62 and 15,695,923,941.08

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Solution

The fourth proportional to 28,554,880,047.16, 39,406,091,543.62 and 15,695,923,941.08 is: 21,660,571,316.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,554,880,047.16 : 39,406,091,543.62 = 15,695,923,941.08 : x
  2. Step 2: Convert to fraction form
    28,554,880,047.16/39,406,091,543.62 = 15,695,923,941.08/x
  3. Step 3: Cross multiply
    28,554,880,047.16x = 39,406,091,543.62 × 15,695,923,941.08
  4. Step 4: Simplify right side
    28,554,880,047.16x = 618,515,015,683,895,328,768
  5. Step 5: Solve for x
    x = 618,515,015,683,895,328,768/28,554,880,047.16
  6. Step 6: Final answer
    x = 21,660,571,316.09

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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.