Home / 402,936,597.60-604,404,896.40-130,334,920.80

Finding the Fourth Proportional to 402,936,597.60, 604,404,896.40 and 130,334,920.80

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Solution

The fourth proportional to 402,936,597.60, 604,404,896.40 and 130,334,920.80 is: 195,502,381.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,936,597.60 : 604,404,896.40 = 130,334,920.80 : x
  2. Step 2: Convert to fraction form
    402,936,597.60/604,404,896.40 = 130,334,920.80/x
  3. Step 3: Cross multiply
    402,936,597.60x = 604,404,896.40 × 130,334,920.80
  4. Step 4: Simplify right side
    402,936,597.60x = 78,775,064,303,426,208
  5. Step 5: Solve for x
    x = 78,775,064,303,426,208/402,936,597.60
  6. Step 6: Final answer
    x = 195,502,381.20

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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.