Home / 580,732,683.12-801,401,011.56-316,416,848.40

Finding the Fourth Proportional to 580,732,683.12, 801,401,011.56 and 316,416,848.40

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Solution

The fourth proportional to 580,732,683.12, 801,401,011.56 and 316,416,848.40 is: 436,649,752.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,732,683.12 : 801,401,011.56 = 316,416,848.40 : x
  2. Step 2: Convert to fraction form
    580,732,683.12/801,401,011.56 = 316,416,848.40/x
  3. Step 3: Cross multiply
    580,732,683.12x = 801,401,011.56 × 316,416,848.40
  4. Step 4: Simplify right side
    580,732,683.12x = 253,576,782,382,387,136
  5. Step 5: Solve for x
    x = 253,576,782,382,387,136/580,732,683.12
  6. Step 6: Final answer
    x = 436,649,752.55

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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.