Home / 1,297,166,130,274.80-1,946,073,281,343.40-915,455,501,815.34

Finding the Fourth Proportional to 1,297,166,130,274.80, 1,946,073,281,343.40 and 915,455,501,815.34

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Solution

The fourth proportional to 1,297,166,130,274.80, 1,946,073,281,343.40 and 915,455,501,815.34 is: 1,373,411,971,498.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,166,130,274.80 : 1,946,073,281,343.40 = 915,455,501,815.34 : x
  2. Step 2: Convert to fraction form
    1,297,166,130,274.80/1,946,073,281,343.40 = 915,455,501,815.34/x
  3. Step 3: Cross multiply
    1,297,166,130,274.80x = 1,946,073,281,343.40 × 915,455,501,815.34
  4. Step 4: Simplify right side
    1,297,166,130,274.80x = 1,781,543,492,341,647,305,342,976
  5. Step 5: Solve for x
    x = 1,781,543,492,341,647,305,342,976/1,297,166,130,274.80
  6. Step 6: Final answer
    x = 1,373,411,971,498.39

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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.