Home / 910,230,832.83-1,256,124,349.04-533,810,671.95

Finding the Fourth Proportional to 910,230,832.83, 1,256,124,349.04 and 533,810,671.95

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Solution

The fourth proportional to 910,230,832.83, 1,256,124,349.04 and 533,810,671.95 is: 736,662,128.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,230,832.83 : 1,256,124,349.04 = 533,810,671.95 : x
  2. Step 2: Convert to fraction form
    910,230,832.83/1,256,124,349.04 = 533,810,671.95/x
  3. Step 3: Cross multiply
    910,230,832.83x = 1,256,124,349.04 × 533,810,671.95
  4. Step 4: Simplify right side
    910,230,832.83x = 670,532,582,811,129,728
  5. Step 5: Solve for x
    x = 670,532,582,811,129,728/910,230,832.83
  6. Step 6: Final answer
    x = 736,662,128.58

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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.