Home / 719,240,931.84-992,552,487.12-389,216,070.72

Finding the Fourth Proportional to 719,240,931.84, 992,552,487.12 and 389,216,070.72

Calculator

Solution

The fourth proportional to 719,240,931.84, 992,552,487.12 and 389,216,070.72 is: 537,118,178.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,240,931.84 : 992,552,487.12 = 389,216,070.72 : x
  2. Step 2: Convert to fraction form
    719,240,931.84/992,552,487.12 = 389,216,070.72/x
  3. Step 3: Cross multiply
    719,240,931.84x = 992,552,487.12 × 389,216,070.72
  4. Step 4: Simplify right side
    719,240,931.84x = 386,317,379,020,209,856
  5. Step 5: Solve for x
    x = 386,317,379,020,209,856/719,240,931.84
  6. Step 6: Final answer
    x = 537,118,178.23

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.