Home / 790,432,130.56-1,090,802,838.76-438,014,006.58

Finding the Fourth Proportional to 790,432,130.56, 1,090,802,838.76 and 438,014,006.58

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Solution

The fourth proportional to 790,432,130.56, 1,090,802,838.76 and 438,014,006.58 is: 604,462,930.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,432,130.56 : 1,090,802,838.76 = 438,014,006.58 : x
  2. Step 2: Convert to fraction form
    790,432,130.56/1,090,802,838.76 = 438,014,006.58/x
  3. Step 3: Cross multiply
    790,432,130.56x = 1,090,802,838.76 × 438,014,006.58
  4. Step 4: Simplify right side
    790,432,130.56x = 477,786,921,794,105,280
  5. Step 5: Solve for x
    x = 477,786,921,794,105,280/790,432,130.56
  6. Step 6: Final answer
    x = 604,462,930.24

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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.