Home / 945,290,916.76-1,303,288,877.02-775,118,172.62

Finding the Fourth Proportional to 945,290,916.76, 1,303,288,877.02 and 775,118,172.62

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Solution

The fourth proportional to 945,290,916.76, 1,303,288,877.02 and 775,118,172.62 is: 1,068,668,782.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,290,916.76 : 1,303,288,877.02 = 775,118,172.62 : x
  2. Step 2: Convert to fraction form
    945,290,916.76/1,303,288,877.02 = 775,118,172.62/x
  3. Step 3: Cross multiply
    945,290,916.76x = 1,303,288,877.02 × 775,118,172.62
  4. Step 4: Simplify right side
    945,290,916.76x = 1,010,202,892,751,714,304
  5. Step 5: Solve for x
    x = 1,010,202,892,751,714,304/945,290,916.76
  6. Step 6: Final answer
    x = 1,068,668,782.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.