Home / 850,673,446.80-1,275,506,285.40-442,526,758.80

Finding the Fourth Proportional to 850,673,446.80, 1,275,506,285.40 and 442,526,758.80

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Solution

The fourth proportional to 850,673,446.80, 1,275,506,285.40 and 442,526,758.80 is: 663,528,013.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,673,446.80 : 1,275,506,285.40 = 442,526,758.80 : x
  2. Step 2: Convert to fraction form
    850,673,446.80/1,275,506,285.40 = 442,526,758.80/x
  3. Step 3: Cross multiply
    850,673,446.80x = 1,275,506,285.40 × 442,526,758.80
  4. Step 4: Simplify right side
    850,673,446.80x = 564,445,662,307,089,792
  5. Step 5: Solve for x
    x = 564,445,662,307,089,792/850,673,446.80
  6. Step 6: Final answer
    x = 663,528,013.52

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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.