Home / 435,340,621.79-653,291,870.67-158,968,696.44

Finding the Fourth Proportional to 435,340,621.79, 653,291,870.67 and 158,968,696.44

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Solution

The fourth proportional to 435,340,621.79, 653,291,870.67 and 158,968,696.44 is: 238,555,631.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,340,621.79 : 653,291,870.67 = 158,968,696.44 : x
  2. Step 2: Convert to fraction form
    435,340,621.79/653,291,870.67 = 158,968,696.44/x
  3. Step 3: Cross multiply
    435,340,621.79x = 653,291,870.67 × 158,968,696.44
  4. Step 4: Simplify right side
    435,340,621.79x = 103,852,957,075,258,960
  5. Step 5: Solve for x
    x = 103,852,957,075,258,960/435,340,621.79
  6. Step 6: Final answer
    x = 238,555,631.79

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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.