Home / 1,519,712,827.61-2,097,225,120.36-875,612,786.31

Finding the Fourth Proportional to 1,519,712,827.61, 2,097,225,120.36 and 875,612,786.31

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Solution

The fourth proportional to 1,519,712,827.61, 2,097,225,120.36 and 875,612,786.31 is: 1,208,357,985.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,712,827.61 : 2,097,225,120.36 = 875,612,786.31 : x
  2. Step 2: Convert to fraction form
    1,519,712,827.61/2,097,225,120.36 = 875,612,786.31/x
  3. Step 3: Cross multiply
    1,519,712,827.61x = 2,097,225,120.36 × 875,612,786.31
  4. Step 4: Simplify right side
    1,519,712,827.61x = 1,836,357,131,157,744,384
  5. Step 5: Solve for x
    x = 1,836,357,131,157,744,384/1,519,712,827.61
  6. Step 6: Final answer
    x = 1,208,357,985.67

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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.