Home / 1,260,808,737.60-1,889,620,581.60-613,181,985.60

Finding the Fourth Proportional to 1,260,808,737.60, 1,889,620,581.60 and 613,181,985.60

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Solution

The fourth proportional to 1,260,808,737.60, 1,889,620,581.60 and 613,181,985.60 is: 918,998,469.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,808,737.60 : 1,889,620,581.60 = 613,181,985.60 : x
  2. Step 2: Convert to fraction form
    1,260,808,737.60/1,889,620,581.60 = 613,181,985.60/x
  3. Step 3: Cross multiply
    1,260,808,737.60x = 1,889,620,581.60 × 613,181,985.60
  4. Step 4: Simplify right side
    1,260,808,737.60x = 1,158,681,300,256,114,688
  5. Step 5: Solve for x
    x = 1,158,681,300,256,114,688/1,260,808,737.60
  6. Step 6: Final answer
    x = 918,998,469.56

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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.