Home / 648,034,920.72-894,290,544.54-350,677,130.76

Finding the Fourth Proportional to 648,034,920.72, 894,290,544.54 and 350,677,130.76

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Solution

The fourth proportional to 648,034,920.72, 894,290,544.54 and 350,677,130.76 is: 483,935,714.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,034,920.72 : 894,290,544.54 = 350,677,130.76 : x
  2. Step 2: Convert to fraction form
    648,034,920.72/894,290,544.54 = 350,677,130.76/x
  3. Step 3: Cross multiply
    648,034,920.72x = 894,290,544.54 × 350,677,130.76
  4. Step 4: Simplify right side
    648,034,920.72x = 313,607,242,225,085,184
  5. Step 5: Solve for x
    x = 313,607,242,225,085,184/648,034,920.72
  6. Step 6: Final answer
    x = 483,935,714.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.