Home / 645,958,005.80-968,937,008.70-301,584,237.80

Finding the Fourth Proportional to 645,958,005.80, 968,937,008.70 and 301,584,237.80

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Solution

The fourth proportional to 645,958,005.80, 968,937,008.70 and 301,584,237.80 is: 452,376,356.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,958,005.80 : 968,937,008.70 = 301,584,237.80 : x
  2. Step 2: Convert to fraction form
    645,958,005.80/968,937,008.70 = 301,584,237.80/x
  3. Step 3: Cross multiply
    645,958,005.80x = 968,937,008.70 × 301,584,237.80
  4. Step 4: Simplify right side
    645,958,005.80x = 292,216,129,245,001,472
  5. Step 5: Solve for x
    x = 292,216,129,245,001,472/645,958,005.80
  6. Step 6: Final answer
    x = 452,376,356.70

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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.