Home / 402,943,085.60-604,414,628.40-370,694,458.40

Finding the Fourth Proportional to 402,943,085.60, 604,414,628.40 and 370,694,458.40

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Solution

The fourth proportional to 402,943,085.60, 604,414,628.40 and 370,694,458.40 is: 556,041,687.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,943,085.60 : 604,414,628.40 = 370,694,458.40 : x
  2. Step 2: Convert to fraction form
    402,943,085.60/604,414,628.40 = 370,694,458.40/x
  3. Step 3: Cross multiply
    402,943,085.60x = 604,414,628.40 × 370,694,458.40
  4. Step 4: Simplify right side
    402,943,085.60x = 224,053,153,323,775,232
  5. Step 5: Solve for x
    x = 224,053,153,323,775,232/402,943,085.60
  6. Step 6: Final answer
    x = 556,041,687.60

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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.