Home / 1,038,318,652.34-1,432,879,810.16-568,419,973.32

Finding the Fourth Proportional to 1,038,318,652.34, 1,432,879,810.16 and 568,419,973.32

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Solution

The fourth proportional to 1,038,318,652.34, 1,432,879,810.16 and 568,419,973.32 is: 784,419,601.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,318,652.34 : 1,432,879,810.16 = 568,419,973.32 : x
  2. Step 2: Convert to fraction form
    1,038,318,652.34/1,432,879,810.16 = 568,419,973.32/x
  3. Step 3: Cross multiply
    1,038,318,652.34x = 1,432,879,810.16 × 568,419,973.32
  4. Step 4: Simplify right side
    1,038,318,652.34x = 814,477,503,461,913,984
  5. Step 5: Solve for x
    x = 814,477,503,461,913,984/1,038,318,652.34
  6. Step 6: Final answer
    x = 784,419,601.46

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Double scale
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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.