Home / 18,430,075,495.72-25,433,323,116.24-9,971,713,683.82

Finding the Fourth Proportional to 18,430,075,495.72, 25,433,323,116.24 and 9,971,713,683.82

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Solution

The fourth proportional to 18,430,075,495.72, 25,433,323,116.24 and 9,971,713,683.82 is: 13,760,866,915.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,430,075,495.72 : 25,433,323,116.24 = 9,971,713,683.82 : x
  2. Step 2: Convert to fraction form
    18,430,075,495.72/25,433,323,116.24 = 9,971,713,683.82/x
  3. Step 3: Cross multiply
    18,430,075,495.72x = 25,433,323,116.24 × 9,971,713,683.82
  4. Step 4: Simplify right side
    18,430,075,495.72x = 253,613,816,143,225,946,112
  5. Step 5: Solve for x
    x = 253,613,816,143,225,946,112/18,430,075,495.72
  6. Step 6: Final answer
    x = 13,760,866,915.72

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Double scale
Find fourth proportional to 18,430,075,496.72, 25,433,323,117.62 and 9,971,713,684.82
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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.