Home / 369,792,007.20-554,688,010.80-188,393,479.20

Finding the Fourth Proportional to 369,792,007.20, 554,688,010.80 and 188,393,479.20

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Solution

The fourth proportional to 369,792,007.20, 554,688,010.80 and 188,393,479.20 is: 282,590,218.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,792,007.20 : 554,688,010.80 = 188,393,479.20 : x
  2. Step 2: Convert to fraction form
    369,792,007.20/554,688,010.80 = 188,393,479.20/x
  3. Step 3: Cross multiply
    369,792,007.20x = 554,688,010.80 × 188,393,479.20
  4. Step 4: Simplify right side
    369,792,007.20x = 104,499,604,225,139,152
  5. Step 5: Solve for x
    x = 104,499,604,225,139,152/369,792,007.20
  6. Step 6: Final answer
    x = 282,590,218.80

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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.