Home / 1,426,637,028.10-1,968,775,059.36-791,569,018.84

Finding the Fourth Proportional to 1,426,637,028.10, 1,968,775,059.36 and 791,569,018.84

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Solution

The fourth proportional to 1,426,637,028.10, 1,968,775,059.36 and 791,569,018.84 is: 1,092,374,101.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,637,028.10 : 1,968,775,059.36 = 791,569,018.84 : x
  2. Step 2: Convert to fraction form
    1,426,637,028.10/1,968,775,059.36 = 791,569,018.84/x
  3. Step 3: Cross multiply
    1,426,637,028.10x = 1,968,775,059.36 × 791,569,018.84
  4. Step 4: Simplify right side
    1,426,637,028.10x = 1,558,421,342,054,257,920
  5. Step 5: Solve for x
    x = 1,558,421,342,054,257,920/1,426,637,028.10
  6. Step 6: Final answer
    x = 1,092,374,101.72

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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.