Home / 621,602,533.08-857,807,131.86-339,344,973.86

Finding the Fourth Proportional to 621,602,533.08, 857,807,131.86 and 339,344,973.86

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Solution

The fourth proportional to 621,602,533.08, 857,807,131.86 and 339,344,973.86 is: 468,293,681.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,602,533.08 : 857,807,131.86 = 339,344,973.86 : x
  2. Step 2: Convert to fraction form
    621,602,533.08/857,807,131.86 = 339,344,973.86/x
  3. Step 3: Cross multiply
    621,602,533.08x = 857,807,131.86 × 339,344,973.86
  4. Step 4: Simplify right side
    621,602,533.08x = 291,092,538,738,736,064
  5. Step 5: Solve for x
    x = 291,092,538,738,736,064/621,602,533.08
  6. Step 6: Final answer
    x = 468,293,681.65

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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.