Home / 1,116,828,831.20-1,675,243,246.80-298,941,132.20

Finding the Fourth Proportional to 1,116,828,831.20, 1,675,243,246.80 and 298,941,132.20

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Solution

The fourth proportional to 1,116,828,831.20, 1,675,243,246.80 and 298,941,132.20 is: 448,411,698.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,828,831.20 : 1,675,243,246.80 = 298,941,132.20 : x
  2. Step 2: Convert to fraction form
    1,116,828,831.20/1,675,243,246.80 = 298,941,132.20/x
  3. Step 3: Cross multiply
    1,116,828,831.20x = 1,675,243,246.80 × 298,941,132.20
  4. Step 4: Simplify right side
    1,116,828,831.20x = 500,799,112,908,795,968
  5. Step 5: Solve for x
    x = 500,799,112,908,795,968/1,116,828,831.20
  6. Step 6: Final answer
    x = 448,411,698.30

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Double scale
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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.