Home / 292,038,666.40-438,029,530.80-76,627,914.40

Finding the Fourth Proportional to 292,038,666.40, 438,029,530.80 and 76,627,914.40

Calculator

Solution

The fourth proportional to 292,038,666.40, 438,029,530.80 and 76,627,914.40 is: 114,934,401.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,038,666.40 : 438,029,530.80 = 76,627,914.40 : x
  2. Step 2: Convert to fraction form
    292,038,666.40/438,029,530.80 = 76,627,914.40/x
  3. Step 3: Cross multiply
    292,038,666.40x = 438,029,530.80 × 76,627,914.40
  4. Step 4: Simplify right side
    292,038,666.40x = 33,565,289,390,814,568
  5. Step 5: Solve for x
    x = 33,565,289,390,814,568/292,038,666.40
  6. Step 6: Final answer
    x = 114,934,401.68

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.