Home / 1,418,995,999.60-2,128,493,999.40-934,868,460.40

Finding the Fourth Proportional to 1,418,995,999.60, 2,128,493,999.40 and 934,868,460.40

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Solution

The fourth proportional to 1,418,995,999.60, 2,128,493,999.40 and 934,868,460.40 is: 1,402,302,690.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,995,999.60 : 2,128,493,999.40 = 934,868,460.40 : x
  2. Step 2: Convert to fraction form
    1,418,995,999.60/2,128,493,999.40 = 934,868,460.40/x
  3. Step 3: Cross multiply
    1,418,995,999.60x = 2,128,493,999.40 × 934,868,460.40
  4. Step 4: Simplify right side
    1,418,995,999.60x = 1,989,861,908,189,716,480
  5. Step 5: Solve for x
    x = 1,989,861,908,189,716,480/1,418,995,999.60
  6. Step 6: Final answer
    x = 1,402,302,690.60

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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.