Home / 505,710,596,276.45-758,610,488,477.30-142,679,438,343.60

Finding the Fourth Proportional to 505,710,596,276.45, 758,610,488,477.30 and 142,679,438,343.60

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Solution

The fourth proportional to 505,710,596,276.45, 758,610,488,477.30 and 142,679,438,343.60 is: 214,031,739,129.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,710,596,276.45 : 758,610,488,477.30 = 142,679,438,343.60 : x
  2. Step 2: Convert to fraction form
    505,710,596,276.45/758,610,488,477.30 = 142,679,438,343.60/x
  3. Step 3: Cross multiply
    505,710,596,276.45x = 758,610,488,477.30 × 142,679,438,343.60
  4. Step 4: Simplify right side
    505,710,596,276.45x = 108,238,118,417,505,215,053,824
  5. Step 5: Solve for x
    x = 108,238,118,417,505,215,053,824/505,710,596,276.45
  6. Step 6: Final answer
    x = 214,031,739,129.98

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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.