Home / 340,368,669.36-510,165,718.20-207,127,656.60

Finding the Fourth Proportional to 340,368,669.36, 510,165,718.20 and 207,127,656.60

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Solution

The fourth proportional to 340,368,669.36, 510,165,718.20 and 207,127,656.60 is: 310,455,806.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,368,669.36 : 510,165,718.20 = 207,127,656.60 : x
  2. Step 2: Convert to fraction form
    340,368,669.36/510,165,718.20 = 207,127,656.60/x
  3. Step 3: Cross multiply
    340,368,669.36x = 510,165,718.20 × 207,127,656.60
  4. Step 4: Simplify right side
    340,368,669.36x = 105,669,429,688,421,968
  5. Step 5: Solve for x
    x = 105,669,429,688,421,968/340,368,669.36
  6. Step 6: Final answer
    x = 310,455,806.31

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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.