Home / 790,141,104.32-1,090,343,588.29-432,908,391.41

Finding the Fourth Proportional to 790,141,104.32, 1,090,343,588.29 and 432,908,391.41

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Solution

The fourth proportional to 790,141,104.32, 1,090,343,588.29 and 432,908,391.41 is: 597,385,563.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,141,104.32 : 1,090,343,588.29 = 432,908,391.41 : x
  2. Step 2: Convert to fraction form
    790,141,104.32/1,090,343,588.29 = 432,908,391.41/x
  3. Step 3: Cross multiply
    790,141,104.32x = 1,090,343,588.29 × 432,908,391.41
  4. Step 4: Simplify right side
    790,141,104.32x = 472,018,888,888,385,984
  5. Step 5: Solve for x
    x = 472,018,888,888,385,984/790,141,104.32
  6. Step 6: Final answer
    x = 597,385,563.55

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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.