Home / 352,559,246.40-528,838,869.60-243,720,129.60

Finding the Fourth Proportional to 352,559,246.40, 528,838,869.60 and 243,720,129.60

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Solution

The fourth proportional to 352,559,246.40, 528,838,869.60 and 243,720,129.60 is: 365,580,194.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,559,246.40 : 528,838,869.60 = 243,720,129.60 : x
  2. Step 2: Convert to fraction form
    352,559,246.40/528,838,869.60 = 243,720,129.60/x
  3. Step 3: Cross multiply
    352,559,246.40x = 528,838,869.60 × 243,720,129.60
  4. Step 4: Simplify right side
    352,559,246.40x = 128,888,677,836,429,504
  5. Step 5: Solve for x
    x = 128,888,677,836,429,504/352,559,246.40
  6. Step 6: Final answer
    x = 365,580,194.40

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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.