Home / 725,569,442.64-1,000,969,779.60-461,109,704.40

Finding the Fourth Proportional to 725,569,442.64, 1,000,969,779.60 and 461,109,704.40

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Solution

The fourth proportional to 725,569,442.64, 1,000,969,779.60 and 461,109,704.40 is: 636,130,537.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,569,442.64 : 1,000,969,779.60 = 461,109,704.40 : x
  2. Step 2: Convert to fraction form
    725,569,442.64/1,000,969,779.60 = 461,109,704.40/x
  3. Step 3: Cross multiply
    725,569,442.64x = 1,000,969,779.60 × 461,109,704.40
  4. Step 4: Simplify right side
    725,569,442.64x = 461,556,879,184,689,152
  5. Step 5: Solve for x
    x = 461,556,879,184,689,152/725,569,442.64
  6. Step 6: Final answer
    x = 636,130,537.01

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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.