Home / 1,660,615,619.63-2,291,697,384.77-918,107,512.07

Finding the Fourth Proportional to 1,660,615,619.63, 2,291,697,384.77 and 918,107,512.07

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Solution

The fourth proportional to 1,660,615,619.63, 2,291,697,384.77 and 918,107,512.07 is: 1,267,014,810.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,615,619.63 : 2,291,697,384.77 = 918,107,512.07 : x
  2. Step 2: Convert to fraction form
    1,660,615,619.63/2,291,697,384.77 = 918,107,512.07/x
  3. Step 3: Cross multiply
    1,660,615,619.63x = 2,291,697,384.77 × 918,107,512.07
  4. Step 4: Simplify right side
    1,660,615,619.63x = 2,104,024,584,339,347,200
  5. Step 5: Solve for x
    x = 2,104,024,584,339,347,200/1,660,615,619.63
  6. Step 6: Final answer
    x = 1,267,014,810.34

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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.