Home / 1,055,990,347.52-1,457,340,335.46-698,136,384.02

Finding the Fourth Proportional to 1,055,990,347.52, 1,457,340,335.46 and 698,136,384.02

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Solution

The fourth proportional to 1,055,990,347.52, 1,457,340,335.46 and 698,136,384.02 is: 963,476,905.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,990,347.52 : 1,457,340,335.46 = 698,136,384.02 : x
  2. Step 2: Convert to fraction form
    1,055,990,347.52/1,457,340,335.46 = 698,136,384.02/x
  3. Step 3: Cross multiply
    1,055,990,347.52x = 1,457,340,335.46 × 698,136,384.02
  4. Step 4: Simplify right side
    1,055,990,347.52x = 1,017,422,312,077,251,456
  5. Step 5: Solve for x
    x = 1,017,422,312,077,251,456/1,055,990,347.52
  6. Step 6: Final answer
    x = 963,476,905.33

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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.