Home / 1,254,762,530.46-1,731,562,721.39-690,235,260.39

Finding the Fourth Proportional to 1,254,762,530.46, 1,731,562,721.39 and 690,235,260.39

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Solution

The fourth proportional to 1,254,762,530.46, 1,731,562,721.39 and 690,235,260.39 is: 952,519,394.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,762,530.46 : 1,731,562,721.39 = 690,235,260.39 : x
  2. Step 2: Convert to fraction form
    1,254,762,530.46/1,731,562,721.39 = 690,235,260.39/x
  3. Step 3: Cross multiply
    1,254,762,530.46x = 1,731,562,721.39 × 690,235,260.39
  4. Step 4: Simplify right side
    1,254,762,530.46x = 1,195,185,645,880,243,712
  5. Step 5: Solve for x
    x = 1,195,185,645,880,243,712/1,254,762,530.46
  6. Step 6: Final answer
    x = 952,519,394.60

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1.5x scale

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.