Home / 314,345,900.24-430,655,420-302,564,289.36

Finding the Fourth Proportional to 314,345,900.24, 430,655,420 and 302,564,289.36

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Solution

The fourth proportional to 314,345,900.24, 430,655,420 and 302,564,289.36 is: 414,514,555.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,345,900.24 : 430,655,420 = 302,564,289.36 : x
  2. Step 2: Convert to fraction form
    314,345,900.24/430,655,420 = 302,564,289.36/x
  3. Step 3: Cross multiply
    314,345,900.24x = 430,655,420 × 302,564,289.36
  4. Step 4: Simplify right side
    314,345,900.24x = 130,300,951,111,332,336
  5. Step 5: Solve for x
    x = 130,300,951,111,332,336/314,345,900.24
  6. Step 6: Final answer
    x = 414,514,555.50

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.