Home / 432,602,352.47-648,903,536.20-105,075,658.60

Finding the Fourth Proportional to 432,602,352.47, 648,903,536.20 and 105,075,658.60

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Solution

The fourth proportional to 432,602,352.47, 648,903,536.20 and 105,075,658.60 is: 157,613,489.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,602,352.47 : 648,903,536.20 = 105,075,658.60 : x
  2. Step 2: Convert to fraction form
    432,602,352.47/648,903,536.20 = 105,075,658.60/x
  3. Step 3: Cross multiply
    432,602,352.47x = 648,903,536.20 × 105,075,658.60
  4. Step 4: Simplify right side
    432,602,352.47x = 68,183,966,434,083,944
  5. Step 5: Solve for x
    x = 68,183,966,434,083,944/432,602,352.47
  6. Step 6: Final answer
    x = 157,613,489.72

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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.