Home / 528,885,491.04-729,852,683.76-293,936,139.36

Finding the Fourth Proportional to 528,885,491.04, 729,852,683.76 and 293,936,139.36

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Solution

The fourth proportional to 528,885,491.04, 729,852,683.76 and 293,936,139.36 is: 405,626,707.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,885,491.04 : 729,852,683.76 = 293,936,139.36 : x
  2. Step 2: Convert to fraction form
    528,885,491.04/729,852,683.76 = 293,936,139.36/x
  3. Step 3: Cross multiply
    528,885,491.04x = 729,852,683.76 × 293,936,139.36
  4. Step 4: Simplify right side
    528,885,491.04x = 214,530,080,165,949,376
  5. Step 5: Solve for x
    x = 214,530,080,165,949,376/528,885,491.04
  6. Step 6: Final answer
    x = 405,626,707.10

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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.