Home / 838,736,135.80-1,258,482,117.30-401,868,014.20

Finding the Fourth Proportional to 838,736,135.80, 1,258,482,117.30 and 401,868,014.20

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Solution

The fourth proportional to 838,736,135.80, 1,258,482,117.30 and 401,868,014.20 is: 602,983,093.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,736,135.80 : 1,258,482,117.30 = 401,868,014.20 : x
  2. Step 2: Convert to fraction form
    838,736,135.80/1,258,482,117.30 = 401,868,014.20/x
  3. Step 3: Cross multiply
    838,736,135.80x = 1,258,482,117.30 × 401,868,014.20
  4. Step 4: Simplify right side
    838,736,135.80x = 505,743,709,385,562,432
  5. Step 5: Solve for x
    x = 505,743,709,385,562,432/838,736,135.80
  6. Step 6: Final answer
    x = 602,983,093.01

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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.