Home / 430,970,803.70-646,456,214.00-103,446,316.76

Finding the Fourth Proportional to 430,970,803.70, 646,456,214.00 and 103,446,316.76

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Solution

The fourth proportional to 430,970,803.70, 646,456,214.00 and 103,446,316.76 is: 155,169,477.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,970,803.70 : 646,456,214.00 = 103,446,316.76 : x
  2. Step 2: Convert to fraction form
    430,970,803.70/646,456,214.00 = 103,446,316.76/x
  3. Step 3: Cross multiply
    430,970,803.70x = 646,456,214.00 × 103,446,316.76
  4. Step 4: Simplify right side
    430,970,803.70x = 66,873,514,281,940,688
  5. Step 5: Solve for x
    x = 66,873,514,281,940,688/430,970,803.70
  6. Step 6: Final answer
    x = 155,169,477.16

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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.