Home / 1,235,292,008.40-1,852,938,012.60-417,392,499.60

Finding the Fourth Proportional to 1,235,292,008.40, 1,852,938,012.60 and 417,392,499.60

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Solution

The fourth proportional to 1,235,292,008.40, 1,852,938,012.60 and 417,392,499.60 is: 626,088,749.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,292,008.40 : 1,852,938,012.60 = 417,392,499.60 : x
  2. Step 2: Convert to fraction form
    1,235,292,008.40/1,852,938,012.60 = 417,392,499.60/x
  3. Step 3: Cross multiply
    1,235,292,008.40x = 1,852,938,012.60 × 417,392,499.60
  4. Step 4: Simplify right side
    1,235,292,008.40x = 773,402,428,682,970,240
  5. Step 5: Solve for x
    x = 773,402,428,682,970,240/1,235,292,008.40
  6. Step 6: Final answer
    x = 626,088,749.40

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1.5x scale

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.