Home / 557,616,430.40-836,424,645.60-373,950,420.80

Finding the Fourth Proportional to 557,616,430.40, 836,424,645.60 and 373,950,420.80

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Solution

The fourth proportional to 557,616,430.40, 836,424,645.60 and 373,950,420.80 is: 560,925,631.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,616,430.40 : 836,424,645.60 = 373,950,420.80 : x
  2. Step 2: Convert to fraction form
    557,616,430.40/836,424,645.60 = 373,950,420.80/x
  3. Step 3: Cross multiply
    557,616,430.40x = 836,424,645.60 × 373,950,420.80
  4. Step 4: Simplify right side
    557,616,430.40x = 312,781,348,189,610,880
  5. Step 5: Solve for x
    x = 312,781,348,189,610,880/557,616,430.40
  6. Step 6: Final answer
    x = 560,925,631.20

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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.