Home / 380,120,619,188.07-524,611,424,962.93-225,796,908,415.68

Finding the Fourth Proportional to 380,120,619,188.07, 524,611,424,962.93 and 225,796,908,415.68

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Solution

The fourth proportional to 380,120,619,188.07, 524,611,424,962.93 and 225,796,908,415.68 is: 311,626,446,703.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,120,619,188.07 : 524,611,424,962.93 = 225,796,908,415.68 : x
  2. Step 2: Convert to fraction form
    380,120,619,188.07/524,611,424,962.93 = 225,796,908,415.68/x
  3. Step 3: Cross multiply
    380,120,619,188.07x = 524,611,424,962.93 × 225,796,908,415.68
  4. Step 4: Simplify right side
    380,120,619,188.07x = 118,455,637,876,174,076,510,208
  5. Step 5: Solve for x
    x = 118,455,637,876,174,076,510,208/380,120,619,188.07
  6. Step 6: Final answer
    x = 311,626,446,703.14

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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.