Home / 1,069,725,017.88-1,475,595,099.99-672,619,311.90

Finding the Fourth Proportional to 1,069,725,017.88, 1,475,595,099.99 and 672,619,311.90

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Solution

The fourth proportional to 1,069,725,017.88, 1,475,595,099.99 and 672,619,311.90 is: 927,821,397.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,725,017.88 : 1,475,595,099.99 = 672,619,311.90 : x
  2. Step 2: Convert to fraction form
    1,069,725,017.88/1,475,595,099.99 = 672,619,311.90/x
  3. Step 3: Cross multiply
    1,069,725,017.88x = 1,475,595,099.99 × 672,619,311.90
  4. Step 4: Simplify right side
    1,069,725,017.88x = 992,513,760,798,285,440
  5. Step 5: Solve for x
    x = 992,513,760,798,285,440/1,069,725,017.88
  6. Step 6: Final answer
    x = 927,821,397.28

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Double scale
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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.