Home / 772,355,642.56-1,065,887,225.64-437,834,648.52

Finding the Fourth Proportional to 772,355,642.56, 1,065,887,225.64 and 437,834,648.52

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Solution

The fourth proportional to 772,355,642.56, 1,065,887,225.64 and 437,834,648.52 is: 604,232,471.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,355,642.56 : 1,065,887,225.64 = 437,834,648.52 : x
  2. Step 2: Convert to fraction form
    772,355,642.56/1,065,887,225.64 = 437,834,648.52/x
  3. Step 3: Cross multiply
    772,355,642.56x = 1,065,887,225.64 × 437,834,648.52
  4. Step 4: Simplify right side
    772,355,642.56x = 466,682,358,800,047,296
  5. Step 5: Solve for x
    x = 466,682,358,800,047,296/772,355,642.56
  6. Step 6: Final answer
    x = 604,232,471.52

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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.