Home / 874,091,973.60-1,309,437,349.20-528,017,594.40

Finding the Fourth Proportional to 874,091,973.60, 1,309,437,349.20 and 528,017,594.40

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Solution

The fourth proportional to 874,091,973.60, 1,309,437,349.20 and 528,017,594.40 is: 790,999,093.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,091,973.60 : 1,309,437,349.20 = 528,017,594.40 : x
  2. Step 2: Convert to fraction form
    874,091,973.60/1,309,437,349.20 = 528,017,594.40/x
  3. Step 3: Cross multiply
    874,091,973.60x = 1,309,437,349.20 × 528,017,594.40
  4. Step 4: Simplify right side
    874,091,973.60x = 691,405,959,142,096,768
  5. Step 5: Solve for x
    x = 691,405,959,142,096,768/874,091,973.60
  6. Step 6: Final answer
    x = 790,999,093.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.