Home / 505,925,302,490.51-758,860,020,075.96-369,926,792,674.13

Finding the Fourth Proportional to 505,925,302,490.51, 758,860,020,075.96 and 369,926,792,674.13

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Solution

The fourth proportional to 505,925,302,490.51, 758,860,020,075.96 and 369,926,792,674.13 is: 554,869,764,238.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,925,302,490.51 : 758,860,020,075.96 = 369,926,792,674.13 : x
  2. Step 2: Convert to fraction form
    505,925,302,490.51/758,860,020,075.96 = 369,926,792,674.13/x
  3. Step 3: Cross multiply
    505,925,302,490.51x = 758,860,020,075.96 × 369,926,792,674.13
  4. Step 4: Simplify right side
    505,925,302,490.51x = 280,722,653,315,325,772,169,216
  5. Step 5: Solve for x
    x = 280,722,653,315,325,772,169,216/505,925,302,490.51
  6. Step 6: Final answer
    x = 554,869,764,238.75

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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.