Home / 772,355,639.54-1,065,887,221.48-437,834,645.52

Finding the Fourth Proportional to 772,355,639.54, 1,065,887,221.48 and 437,834,645.52

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Solution

The fourth proportional to 772,355,639.54, 1,065,887,221.48 and 437,834,645.52 is: 604,232,467.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,355,639.54 : 1,065,887,221.48 = 437,834,645.52 : x
  2. Step 2: Convert to fraction form
    772,355,639.54/1,065,887,221.48 = 437,834,645.52/x
  3. Step 3: Cross multiply
    772,355,639.54x = 1,065,887,221.48 × 437,834,645.52
  4. Step 4: Simplify right side
    772,355,639.54x = 466,682,353,779,898,880
  5. Step 5: Solve for x
    x = 466,682,353,779,898,880/772,355,639.54
  6. Step 6: Final answer
    x = 604,232,467.39

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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.