Home / 1,116,828,908.20-1,675,243,362.30-298,941,209.20

Finding the Fourth Proportional to 1,116,828,908.20, 1,675,243,362.30 and 298,941,209.20

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Solution

The fourth proportional to 1,116,828,908.20, 1,675,243,362.30 and 298,941,209.20 is: 448,411,813.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,828,908.20 : 1,675,243,362.30 = 298,941,209.20 : x
  2. Step 2: Convert to fraction form
    1,116,828,908.20/1,675,243,362.30 = 298,941,209.20/x
  3. Step 3: Cross multiply
    1,116,828,908.20x = 1,675,243,362.30 × 298,941,209.20
  4. Step 4: Simplify right side
    1,116,828,908.20x = 500,799,276,430,235,648
  5. Step 5: Solve for x
    x = 500,799,276,430,235,648/1,116,828,908.20
  6. Step 6: Final answer
    x = 448,411,813.80

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Double scale
Find fourth proportional to 1,116,828,909.20, 1,675,243,363.80 and 298,941,210.20
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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.