Home / 1,335,528,083.10-2,003,292,124.65-1,187,574,908.70

Finding the Fourth Proportional to 1,335,528,083.10, 2,003,292,124.65 and 1,187,574,908.70

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Solution

The fourth proportional to 1,335,528,083.10, 2,003,292,124.65 and 1,187,574,908.70 is: 1,781,362,363.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,528,083.10 : 2,003,292,124.65 = 1,187,574,908.70 : x
  2. Step 2: Convert to fraction form
    1,335,528,083.10/2,003,292,124.65 = 1,187,574,908.70/x
  3. Step 3: Cross multiply
    1,335,528,083.10x = 2,003,292,124.65 × 1,187,574,908.70
  4. Step 4: Simplify right side
    1,335,528,083.10x = 2,379,059,462,030,652,928
  5. Step 5: Solve for x
    x = 2,379,059,462,030,652,928/1,335,528,083.10
  6. Step 6: Final answer
    x = 1,781,362,363.05

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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.