Home / 1,657,153,875.20-2,485,730,812.80-689,695,059.20

Finding the Fourth Proportional to 1,657,153,875.20, 2,485,730,812.80 and 689,695,059.20

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Solution

The fourth proportional to 1,657,153,875.20, 2,485,730,812.80 and 689,695,059.20 is: 1,034,542,588.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,153,875.20 : 2,485,730,812.80 = 689,695,059.20 : x
  2. Step 2: Convert to fraction form
    1,657,153,875.20/2,485,730,812.80 = 689,695,059.20/x
  3. Step 3: Cross multiply
    1,657,153,875.20x = 2,485,730,812.80 × 689,695,059.20
  4. Step 4: Simplify right side
    1,657,153,875.20x = 1,714,396,260,089,360,384
  5. Step 5: Solve for x
    x = 1,714,396,260,089,360,384/1,657,153,875.20
  6. Step 6: Final answer
    x = 1,034,542,588.80

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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.