Home / 673,227,567.28-928,983,236.53-390,914,823.16

Finding the Fourth Proportional to 673,227,567.28, 928,983,236.53 and 390,914,823.16

Calculator

Solution

The fourth proportional to 673,227,567.28, 928,983,236.53 and 390,914,823.16 is: 539,421,341.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,227,567.28 : 928,983,236.53 = 390,914,823.16 : x
  2. Step 2: Convert to fraction form
    673,227,567.28/928,983,236.53 = 390,914,823.16/x
  3. Step 3: Cross multiply
    673,227,567.28x = 928,983,236.53 × 390,914,823.16
  4. Step 4: Simplify right side
    673,227,567.28x = 363,153,317,620,129,856
  5. Step 5: Solve for x
    x = 363,153,317,620,129,856/673,227,567.28
  6. Step 6: Final answer
    x = 539,421,341.72

Related Problems

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.