Home / 877,291,417.20-1,316,441,010.60-332,423,986.80

Finding the Fourth Proportional to 877,291,417.20, 1,316,441,010.60 and 332,423,986.80

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Solution

The fourth proportional to 877,291,417.20, 1,316,441,010.60 and 332,423,986.80 is: 498,826,912.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,291,417.20 : 1,316,441,010.60 = 332,423,986.80 : x
  2. Step 2: Convert to fraction form
    877,291,417.20/1,316,441,010.60 = 332,423,986.80/x
  3. Step 3: Cross multiply
    877,291,417.20x = 1,316,441,010.60 × 332,423,986.80
  4. Step 4: Simplify right side
    877,291,417.20x = 437,616,569,130,673,024
  5. Step 5: Solve for x
    x = 437,616,569,130,673,024/877,291,417.20
  6. Step 6: Final answer
    x = 498,826,912.64

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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.