Home / 743,648,802.40-1,115,473,203.60-335,502,114.40

Finding the Fourth Proportional to 743,648,802.40, 1,115,473,203.60 and 335,502,114.40

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Solution

The fourth proportional to 743,648,802.40, 1,115,473,203.60 and 335,502,114.40 is: 503,253,171.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,648,802.40 : 1,115,473,203.60 = 335,502,114.40 : x
  2. Step 2: Convert to fraction form
    743,648,802.40/1,115,473,203.60 = 335,502,114.40/x
  3. Step 3: Cross multiply
    743,648,802.40x = 1,115,473,203.60 × 335,502,114.40
  4. Step 4: Simplify right side
    743,648,802.40x = 374,243,618,364,341,632
  5. Step 5: Solve for x
    x = 374,243,618,364,341,632/743,648,802.40
  6. Step 6: Final answer
    x = 503,253,171.60

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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.