Home / 841,687,668,432.96-1,262,531,478,250.60-388,272,421,529.28

Finding the Fourth Proportional to 841,687,668,432.96, 1,262,531,478,250.60 and 388,272,421,529.28

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Solution

The fourth proportional to 841,687,668,432.96, 1,262,531,478,250.60 and 388,272,421,529.28 is: 582,408,621,038.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,687,668,432.96 : 1,262,531,478,250.60 = 388,272,421,529.28 : x
  2. Step 2: Convert to fraction form
    841,687,668,432.96/1,262,531,478,250.60 = 388,272,421,529.28/x
  3. Step 3: Cross multiply
    841,687,668,432.96x = 1,262,531,478,250.60 × 388,272,421,529.28
  4. Step 4: Simplify right side
    841,687,668,432.96x = 490,206,154,317,302,048,227,328
  5. Step 5: Solve for x
    x = 490,206,154,317,302,048,227,328/841,687,668,432.96
  6. Step 6: Final answer
    x = 582,408,621,038.68

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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.