Home / 7,047,405,658.81-9,725,675,515.88-4,037,240,132.86

Finding the Fourth Proportional to 7,047,405,658.81, 9,725,675,515.88 and 4,037,240,132.86

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Solution

The fourth proportional to 7,047,405,658.81, 9,725,675,515.88 and 4,037,240,132.86 is: 5,571,537,869.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,047,405,658.81 : 9,725,675,515.88 = 4,037,240,132.86 : x
  2. Step 2: Convert to fraction form
    7,047,405,658.81/9,725,675,515.88 = 4,037,240,132.86/x
  3. Step 3: Cross multiply
    7,047,405,658.81x = 9,725,675,515.88 × 4,037,240,132.86
  4. Step 4: Simplify right side
    7,047,405,658.81x = 39,264,887,511,884,619,776
  5. Step 5: Solve for x
    x = 39,264,887,511,884,619,776/7,047,405,658.81
  6. Step 6: Final answer
    x = 5,571,537,869.80

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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.