Home / 402,860,705.04-604,256,442.40-245,252,816.12

Finding the Fourth Proportional to 402,860,705.04, 604,256,442.40 and 245,252,816.12

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Solution

The fourth proportional to 402,860,705.04, 604,256,442.40 and 245,252,816.12 is: 367,858,151.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,860,705.04 : 604,256,442.40 = 245,252,816.12 : x
  2. Step 2: Convert to fraction form
    402,860,705.04/604,256,442.40 = 245,252,816.12/x
  3. Step 3: Cross multiply
    402,860,705.04x = 604,256,442.40 × 245,252,816.12
  4. Step 4: Simplify right side
    402,860,705.04x = 148,195,594,157,252,576
  5. Step 5: Solve for x
    x = 148,195,594,157,252,576/402,860,705.04
  6. Step 6: Final answer
    x = 367,858,151.23

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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.