Home / 1,323,943,920-1,827,042,523.20-767,349,819.36

Finding the Fourth Proportional to 1,323,943,920, 1,827,042,523.20 and 767,349,819.36

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Solution

The fourth proportional to 1,323,943,920, 1,827,042,523.20 and 767,349,819.36 is: 1,058,942,700.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,943,920 : 1,827,042,523.20 = 767,349,819.36 : x
  2. Step 2: Convert to fraction form
    1,323,943,920/1,827,042,523.20 = 767,349,819.36/x
  3. Step 3: Cross multiply
    1,323,943,920x = 1,827,042,523.20 × 767,349,819.36
  4. Step 4: Simplify right side
    1,323,943,920x = 1,401,980,750,140,558,592
  5. Step 5: Solve for x
    x = 1,401,980,750,140,558,592/1,323,943,920
  6. Step 6: Final answer
    x = 1,058,942,700.64

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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.