Home / 920,742,810.78-1,381,658,924.97-338,885,725.98

Finding the Fourth Proportional to 920,742,810.78, 1,381,658,924.97 and 338,885,725.98

Calculator

Solution

The fourth proportional to 920,742,810.78, 1,381,658,924.97 and 338,885,725.98 is: 508,529,072.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,742,810.78 : 1,381,658,924.97 = 338,885,725.98 : x
  2. Step 2: Convert to fraction form
    920,742,810.78/1,381,658,924.97 = 338,885,725.98/x
  3. Step 3: Cross multiply
    920,742,810.78x = 1,381,658,924.97 × 338,885,725.98
  4. Step 4: Simplify right side
    920,742,810.78x = 468,224,487,845,204,864
  5. Step 5: Solve for x
    x = 468,224,487,845,204,864/920,742,810.78
  6. Step 6: Final answer
    x = 508,529,072.79

Related Problems

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.