Home / 570,622,915,563.78-787,460,130,113.72-313,710,183,889.94

Finding the Fourth Proportional to 570,622,915,563.78, 787,460,130,113.72 and 313,710,183,889.94

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Solution

The fourth proportional to 570,622,915,563.78, 787,460,130,113.72 and 313,710,183,889.94 is: 432,920,332,300.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,622,915,563.78 : 787,460,130,113.72 = 313,710,183,889.94 : x
  2. Step 2: Convert to fraction form
    570,622,915,563.78/787,460,130,113.72 = 313,710,183,889.94/x
  3. Step 3: Cross multiply
    570,622,915,563.78x = 787,460,130,113.72 × 313,710,183,889.94
  4. Step 4: Simplify right side
    570,622,915,563.78x = 247,034,262,223,971,189,522,432
  5. Step 5: Solve for x
    x = 247,034,262,223,971,189,522,432/570,622,915,563.78
  6. Step 6: Final answer
    x = 432,920,332,300.18

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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.