Home / 295,264,831.10-442,897,246.65-280,484,210.30

Finding the Fourth Proportional to 295,264,831.10, 442,897,246.65 and 280,484,210.30

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Solution

The fourth proportional to 295,264,831.10, 442,897,246.65 and 280,484,210.30 is: 420,726,315.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,264,831.10 : 442,897,246.65 = 280,484,210.30 : x
  2. Step 2: Convert to fraction form
    295,264,831.10/442,897,246.65 = 280,484,210.30/x
  3. Step 3: Cross multiply
    295,264,831.10x = 442,897,246.65 × 280,484,210.30
  4. Step 4: Simplify right side
    295,264,831.10x = 124,225,684,470,669,568
  5. Step 5: Solve for x
    x = 124,225,684,470,669,568/295,264,831.10
  6. Step 6: Final answer
    x = 420,726,315.45

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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.