Home / 357,792,021.40-536,688,032.10-316,977,352.60

Finding the Fourth Proportional to 357,792,021.40, 536,688,032.10 and 316,977,352.60

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Solution

The fourth proportional to 357,792,021.40, 536,688,032.10 and 316,977,352.60 is: 475,466,028.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,792,021.40 : 536,688,032.10 = 316,977,352.60 : x
  2. Step 2: Convert to fraction form
    357,792,021.40/536,688,032.10 = 316,977,352.60/x
  3. Step 3: Cross multiply
    357,792,021.40x = 536,688,032.10 × 316,977,352.60
  4. Step 4: Simplify right side
    357,792,021.40x = 170,117,951,587,161,824
  5. Step 5: Solve for x
    x = 170,117,951,587,161,824/357,792,021.40
  6. Step 6: Final answer
    x = 475,466,028.90

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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.