Home / 1,158,213,137.95-1,735,865,634.50-626,403,362.50

Finding the Fourth Proportional to 1,158,213,137.95, 1,735,865,634.50 and 626,403,362.50

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Solution

The fourth proportional to 1,158,213,137.95, 1,735,865,634.50 and 626,403,362.50 is: 938,818,629.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,213,137.95 : 1,735,865,634.50 = 626,403,362.50 : x
  2. Step 2: Convert to fraction form
    1,158,213,137.95/1,735,865,634.50 = 626,403,362.50/x
  3. Step 3: Cross multiply
    1,158,213,137.95x = 1,735,865,634.50 × 626,403,362.50
  4. Step 4: Simplify right side
    1,158,213,137.95x = 1,087,352,070,298,995,968
  5. Step 5: Solve for x
    x = 1,087,352,070,298,995,968/1,158,213,137.95
  6. Step 6: Final answer
    x = 938,818,629.03

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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.