Home / 489,938,132.60-734,056,893.30-317,326,095.80

Finding the Fourth Proportional to 489,938,132.60, 734,056,893.30 and 317,326,095.80

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Solution

The fourth proportional to 489,938,132.60, 734,056,893.30 and 317,326,095.80 is: 475,438,412.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,938,132.60 : 734,056,893.30 = 317,326,095.80 : x
  2. Step 2: Convert to fraction form
    489,938,132.60/734,056,893.30 = 317,326,095.80/x
  3. Step 3: Cross multiply
    489,938,132.60x = 734,056,893.30 × 317,326,095.80
  4. Step 4: Simplify right side
    489,938,132.60x = 232,935,408,045,966,176
  5. Step 5: Solve for x
    x = 232,935,408,045,966,176/489,938,132.60
  6. Step 6: Final answer
    x = 475,438,412.62

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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.