Home / 287,875,688.10-430,963,226.55-190,940,849.70

Finding the Fourth Proportional to 287,875,688.10, 430,963,226.55 and 190,940,849.70

Calculator

Solution

The fourth proportional to 287,875,688.10, 430,963,226.55 and 190,940,849.70 is: 285,847,287.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,875,688.10 : 430,963,226.55 = 190,940,849.70 : x
  2. Step 2: Convert to fraction form
    287,875,688.10/430,963,226.55 = 190,940,849.70/x
  3. Step 3: Cross multiply
    287,875,688.10x = 430,963,226.55 × 190,940,849.70
  4. Step 4: Simplify right side
    287,875,688.10x = 82,288,484,666,910,592
  5. Step 5: Solve for x
    x = 82,288,484,666,910,592/287,875,688.10
  6. Step 6: Final answer
    x = 285,847,287.80

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.