Home / 1,235,291,999.40-1,852,937,999.10-417,392,490.60

Finding the Fourth Proportional to 1,235,291,999.40, 1,852,937,999.10 and 417,392,490.60

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Solution

The fourth proportional to 1,235,291,999.40, 1,852,937,999.10 and 417,392,490.60 is: 626,088,735.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,291,999.40 : 1,852,937,999.10 = 417,392,490.60 : x
  2. Step 2: Convert to fraction form
    1,235,291,999.40/1,852,937,999.10 = 417,392,490.60/x
  3. Step 3: Cross multiply
    1,235,291,999.40x = 1,852,937,999.10 × 417,392,490.60
  4. Step 4: Simplify right side
    1,235,291,999.40x = 773,402,406,371,729,536
  5. Step 5: Solve for x
    x = 773,402,406,371,729,536/1,235,291,999.40
  6. Step 6: Final answer
    x = 626,088,735.90

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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.