Home / 1,009,275,596.64-1,513,903,299.12-319,182,968.16

Finding the Fourth Proportional to 1,009,275,596.64, 1,513,903,299.12 and 319,182,968.16

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Solution

The fourth proportional to 1,009,275,596.64, 1,513,903,299.12 and 319,182,968.16 is: 478,771,259.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,275,596.64 : 1,513,903,299.12 = 319,182,968.16 : x
  2. Step 2: Convert to fraction form
    1,009,275,596.64/1,513,903,299.12 = 319,182,968.16/x
  3. Step 3: Cross multiply
    1,009,275,596.64x = 1,513,903,299.12 × 319,182,968.16
  4. Step 4: Simplify right side
    1,009,275,596.64x = 483,212,148,520,337,920
  5. Step 5: Solve for x
    x = 483,212,148,520,337,920/1,009,275,596.64
  6. Step 6: Final answer
    x = 478,771,259.43

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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.