Home / 290,062,223.40-435,093,335.10-98,585,999.40

Finding the Fourth Proportional to 290,062,223.40, 435,093,335.10 and 98,585,999.40

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Solution

The fourth proportional to 290,062,223.40, 435,093,335.10 and 98,585,999.40 is: 147,878,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,062,223.40 : 435,093,335.10 = 98,585,999.40 : x
  2. Step 2: Convert to fraction form
    290,062,223.40/435,093,335.10 = 98,585,999.40/x
  3. Step 3: Cross multiply
    290,062,223.40x = 435,093,335.10 × 98,585,999.40
  4. Step 4: Simplify right side
    290,062,223.40x = 42,894,111,273,112,600
  5. Step 5: Solve for x
    x = 42,894,111,273,112,600/290,062,223.40
  6. Step 6: Final answer
    x = 147,878,999.10

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1.5x scale

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.