Home / 525,687,664.80-788,531,497.20-442,464,004.20

Finding the Fourth Proportional to 525,687,664.80, 788,531,497.20 and 442,464,004.20

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Solution

The fourth proportional to 525,687,664.80, 788,531,497.20 and 442,464,004.20 is: 663,696,006.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,687,664.80 : 788,531,497.20 = 442,464,004.20 : x
  2. Step 2: Convert to fraction form
    525,687,664.80/788,531,497.20 = 442,464,004.20/x
  3. Step 3: Cross multiply
    525,687,664.80x = 788,531,497.20 × 442,464,004.20
  4. Step 4: Simplify right side
    525,687,664.80x = 348,896,803,688,933,120
  5. Step 5: Solve for x
    x = 348,896,803,688,933,120/525,687,664.80
  6. Step 6: Final answer
    x = 663,696,006.30

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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.