Home / 352,579,511.57-528,871,521.04-103,583,750.47

Finding the Fourth Proportional to 352,579,511.57, 528,871,521.04 and 103,583,750.47

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Solution

The fourth proportional to 352,579,511.57, 528,871,521.04 and 103,583,750.47 is: 155,376,287.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,579,511.57 : 528,871,521.04 = 103,583,750.47 : x
  2. Step 2: Convert to fraction form
    352,579,511.57/528,871,521.04 = 103,583,750.47/x
  3. Step 3: Cross multiply
    352,579,511.57x = 528,871,521.04 × 103,583,750.47
  4. Step 4: Simplify right side
    352,579,511.57x = 54,782,495,666,887,280
  5. Step 5: Solve for x
    x = 54,782,495,666,887,280/352,579,511.57
  6. Step 6: Final answer
    x = 155,376,287.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.