Home / 355,001,605.20-532,502,407.80-257,499,896.40

Finding the Fourth Proportional to 355,001,605.20, 532,502,407.80 and 257,499,896.40

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Solution

The fourth proportional to 355,001,605.20, 532,502,407.80 and 257,499,896.40 is: 386,249,844.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,001,605.20 : 532,502,407.80 = 257,499,896.40 : x
  2. Step 2: Convert to fraction form
    355,001,605.20/532,502,407.80 = 257,499,896.40/x
  3. Step 3: Cross multiply
    355,001,605.20x = 532,502,407.80 × 257,499,896.40
  4. Step 4: Simplify right side
    355,001,605.20x = 137,119,314,841,250,560
  5. Step 5: Solve for x
    x = 137,119,314,841,250,560/355,001,605.20
  6. Step 6: Final answer
    x = 386,249,844.60

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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.