Home / 365,345,139.36-503,688,567.60-290,240,663.52

Finding the Fourth Proportional to 365,345,139.36, 503,688,567.60 and 290,240,663.52

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Solution

The fourth proportional to 365,345,139.36, 503,688,567.60 and 290,240,663.52 is: 400,144,653.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,345,139.36 : 503,688,567.60 = 290,240,663.52 : x
  2. Step 2: Convert to fraction form
    365,345,139.36/503,688,567.60 = 290,240,663.52/x
  3. Step 3: Cross multiply
    365,345,139.36x = 503,688,567.60 × 290,240,663.52
  4. Step 4: Simplify right side
    365,345,139.36x = 146,190,904,067,662,368
  5. Step 5: Solve for x
    x = 146,190,904,067,662,368/365,345,139.36
  6. Step 6: Final answer
    x = 400,144,653.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.