Home / 505,710,596,275.76-758,610,488,476.27-142,679,438,342.87

Finding the Fourth Proportional to 505,710,596,275.76, 758,610,488,476.27 and 142,679,438,342.87

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Solution

The fourth proportional to 505,710,596,275.76, 758,610,488,476.27 and 142,679,438,342.87 is: 214,031,739,128.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,710,596,275.76 : 758,610,488,476.27 = 142,679,438,342.87 : x
  2. Step 2: Convert to fraction form
    505,710,596,275.76/758,610,488,476.27 = 142,679,438,342.87/x
  3. Step 3: Cross multiply
    505,710,596,275.76x = 758,610,488,476.27 × 142,679,438,342.87
  4. Step 4: Simplify right side
    505,710,596,275.76x = 108,238,118,416,804,464,295,936
  5. Step 5: Solve for x
    x = 108,238,118,416,804,464,295,936/505,710,596,275.76
  6. Step 6: Final answer
    x = 214,031,739,128.88

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1.5x scale

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.