Home / 1,918,089,852.40-2,875,875,066.60-752,856,252.40

Finding the Fourth Proportional to 1,918,089,852.40, 2,875,875,066.60 and 752,856,252.40

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Solution

The fourth proportional to 1,918,089,852.40, 2,875,875,066.60 and 752,856,252.40 is: 1,128,789,937.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,089,852.40 : 2,875,875,066.60 = 752,856,252.40 : x
  2. Step 2: Convert to fraction form
    1,918,089,852.40/2,875,875,066.60 = 752,856,252.40/x
  3. Step 3: Cross multiply
    1,918,089,852.40x = 2,875,875,066.60 × 752,856,252.40
  4. Step 4: Simplify right side
    1,918,089,852.40x = 2,165,120,525,011,076,352
  5. Step 5: Solve for x
    x = 2,165,120,525,011,076,352/1,918,089,852.40
  6. Step 6: Final answer
    x = 1,128,789,937.71

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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.