Home / 909,792,023.80-1,364,688,035.70-603,430,065.40

Finding the Fourth Proportional to 909,792,023.80, 1,364,688,035.70 and 603,430,065.40

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Solution

The fourth proportional to 909,792,023.80, 1,364,688,035.70 and 603,430,065.40 is: 905,145,098.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,792,023.80 : 1,364,688,035.70 = 603,430,065.40 : x
  2. Step 2: Convert to fraction form
    909,792,023.80/1,364,688,035.70 = 603,430,065.40/x
  3. Step 3: Cross multiply
    909,792,023.80x = 1,364,688,035.70 × 603,430,065.40
  4. Step 4: Simplify right side
    909,792,023.80x = 823,493,790,633,048,576
  5. Step 5: Solve for x
    x = 823,493,790,633,048,576/909,792,023.80
  6. Step 6: Final answer
    x = 905,145,098.10

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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.