Home / 648,012,992.96-894,260,300.52-350,655,237.51

Finding the Fourth Proportional to 648,012,992.96, 894,260,300.52 and 350,655,237.51

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Solution

The fourth proportional to 648,012,992.96, 894,260,300.52 and 350,655,237.51 is: 483,905,510.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,012,992.96 : 894,260,300.52 = 350,655,237.51 : x
  2. Step 2: Convert to fraction form
    648,012,992.96/894,260,300.52 = 350,655,237.51/x
  3. Step 3: Cross multiply
    648,012,992.96x = 894,260,300.52 × 350,655,237.51
  4. Step 4: Simplify right side
    648,012,992.96x = 313,577,058,072,566,080
  5. Step 5: Solve for x
    x = 313,577,058,072,566,080/648,012,992.96
  6. Step 6: Final answer
    x = 483,905,510.35

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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.