Home / 1,368,636,958.50-1,888,756,140.42-774,010,362.75

Finding the Fourth Proportional to 1,368,636,958.50, 1,888,756,140.42 and 774,010,362.75

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Solution

The fourth proportional to 1,368,636,958.50, 1,888,756,140.42 and 774,010,362.75 is: 1,068,155,303.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,636,958.50 : 1,888,756,140.42 = 774,010,362.75 : x
  2. Step 2: Convert to fraction form
    1,368,636,958.50/1,888,756,140.42 = 774,010,362.75/x
  3. Step 3: Cross multiply
    1,368,636,958.50x = 1,888,756,140.42 × 774,010,362.75
  4. Step 4: Simplify right side
    1,368,636,958.50x = 1,461,916,825,392,774,144
  5. Step 5: Solve for x
    x = 1,461,916,825,392,774,144/1,368,636,958.50
  6. Step 6: Final answer
    x = 1,068,155,303.21

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Double scale
Find fourth proportional to 1,368,636,959.50, 1,888,756,141.80 and 774,010,363.75
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1.5x scale

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.