Home / 628,224,802.40-942,337,203.60-197,402,607.20

Finding the Fourth Proportional to 628,224,802.40, 942,337,203.60 and 197,402,607.20

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Solution

The fourth proportional to 628,224,802.40, 942,337,203.60 and 197,402,607.20 is: 296,103,910.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,224,802.40 : 942,337,203.60 = 197,402,607.20 : x
  2. Step 2: Convert to fraction form
    628,224,802.40/942,337,203.60 = 197,402,607.20/x
  3. Step 3: Cross multiply
    628,224,802.40x = 942,337,203.60 × 197,402,607.20
  4. Step 4: Simplify right side
    628,224,802.40x = 186,019,820,852,197,216
  5. Step 5: Solve for x
    x = 186,019,820,852,197,216/628,224,802.40
  6. Step 6: Final answer
    x = 296,103,910.80

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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.