Home / 529,835,135.54-731,159,582.67-291,678,384.33

Finding the Fourth Proportional to 529,835,135.54, 731,159,582.67 and 291,678,384.33

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Solution

The fourth proportional to 529,835,135.54, 731,159,582.67 and 291,678,384.33 is: 402,509,066.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,835,135.54 : 731,159,582.67 = 291,678,384.33 : x
  2. Step 2: Convert to fraction form
    529,835,135.54/731,159,582.67 = 291,678,384.33/x
  3. Step 3: Cross multiply
    529,835,135.54x = 731,159,582.67 × 291,678,384.33
  4. Step 4: Simplify right side
    529,835,135.54x = 213,263,445,760,582,656
  5. Step 5: Solve for x
    x = 213,263,445,760,582,656/529,835,135.54
  6. Step 6: Final answer
    x = 402,509,066.42

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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.