Home / 790,141,109.82-1,090,343,595.87-432,908,396.91

Finding the Fourth Proportional to 790,141,109.82, 1,090,343,595.87 and 432,908,396.91

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Solution

The fourth proportional to 790,141,109.82, 1,090,343,595.87 and 432,908,396.91 is: 597,385,571.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,141,109.82 : 1,090,343,595.87 = 432,908,396.91 : x
  2. Step 2: Convert to fraction form
    790,141,109.82/1,090,343,595.87 = 432,908,396.91/x
  3. Step 3: Cross multiply
    790,141,109.82x = 1,090,343,595.87 × 432,908,396.91
  4. Step 4: Simplify right side
    790,141,109.82x = 472,018,898,169,166,592
  5. Step 5: Solve for x
    x = 472,018,898,169,166,592/790,141,109.82
  6. Step 6: Final answer
    x = 597,385,571.14

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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.