Home / 664,308,032.40-996,462,048.60-354,371,641.20

Finding the Fourth Proportional to 664,308,032.40, 996,462,048.60 and 354,371,641.20

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Solution

The fourth proportional to 664,308,032.40, 996,462,048.60 and 354,371,641.20 is: 531,557,461.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,308,032.40 : 996,462,048.60 = 354,371,641.20 : x
  2. Step 2: Convert to fraction form
    664,308,032.40/996,462,048.60 = 354,371,641.20/x
  3. Step 3: Cross multiply
    664,308,032.40x = 996,462,048.60 × 354,371,641.20
  4. Step 4: Simplify right side
    664,308,032.40x = 353,117,891,555,896,128
  5. Step 5: Solve for x
    x = 353,117,891,555,896,128/664,308,032.40
  6. Step 6: Final answer
    x = 531,557,461.80

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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.