Home / 1,305,352,420.56-1,957,816,051.20-528,966,720.72

Finding the Fourth Proportional to 1,305,352,420.56, 1,957,816,051.20 and 528,966,720.72

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Solution

The fourth proportional to 1,305,352,420.56, 1,957,816,051.20 and 528,966,720.72 is: 793,363,937.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,352,420.56 : 1,957,816,051.20 = 528,966,720.72 : x
  2. Step 2: Convert to fraction form
    1,305,352,420.56/1,957,816,051.20 = 528,966,720.72/x
  3. Step 3: Cross multiply
    1,305,352,420.56x = 1,957,816,051.20 × 528,966,720.72
  4. Step 4: Simplify right side
    1,305,352,420.56x = 1,035,619,536,376,243,712
  5. Step 5: Solve for x
    x = 1,035,619,536,376,243,712/1,305,352,420.56
  6. Step 6: Final answer
    x = 793,363,937.63

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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.