Home / 290,334,000.40-435,501,000.60-98,857,776.40

Finding the Fourth Proportional to 290,334,000.40, 435,501,000.60 and 98,857,776.40

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Solution

The fourth proportional to 290,334,000.40, 435,501,000.60 and 98,857,776.40 is: 148,286,664.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,334,000.40 : 435,501,000.60 = 98,857,776.40 : x
  2. Step 2: Convert to fraction form
    290,334,000.40/435,501,000.60 = 98,857,776.40/x
  3. Step 3: Cross multiply
    290,334,000.40x = 435,501,000.60 × 98,857,776.40
  4. Step 4: Simplify right side
    290,334,000.40x = 43,052,660,539,291,072
  5. Step 5: Solve for x
    x = 43,052,660,539,291,072/290,334,000.40
  6. Step 6: Final answer
    x = 148,286,664.60

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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.