Home / 454,806,837.20-682,210,255.80-163,683,457.40

Finding the Fourth Proportional to 454,806,837.20, 682,210,255.80 and 163,683,457.40

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Solution

The fourth proportional to 454,806,837.20, 682,210,255.80 and 163,683,457.40 is: 245,525,186.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,806,837.20 : 682,210,255.80 = 163,683,457.40 : x
  2. Step 2: Convert to fraction form
    454,806,837.20/682,210,255.80 = 163,683,457.40/x
  3. Step 3: Cross multiply
    454,806,837.20x = 682,210,255.80 × 163,683,457.40
  4. Step 4: Simplify right side
    454,806,837.20x = 111,666,533,343,082,400
  5. Step 5: Solve for x
    x = 111,666,533,343,082,400/454,806,837.20
  6. Step 6: Final answer
    x = 245,525,186.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.