Home / 1,913,264,642.64-2,869,896,997.44-459,242,066.64

Finding the Fourth Proportional to 1,913,264,642.64, 2,869,896,997.44 and 459,242,066.64

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Solution

The fourth proportional to 1,913,264,642.64, 2,869,896,997.44 and 459,242,066.64 is: 688,863,108.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,264,642.64 : 2,869,896,997.44 = 459,242,066.64 : x
  2. Step 2: Convert to fraction form
    1,913,264,642.64/2,869,896,997.44 = 459,242,066.64/x
  3. Step 3: Cross multiply
    1,913,264,642.64x = 2,869,896,997.44 × 459,242,066.64
  4. Step 4: Simplify right side
    1,913,264,642.64x = 1,317,977,428,148,276,480
  5. Step 5: Solve for x
    x = 1,317,977,428,148,276,480/1,913,264,642.64
  6. Step 6: Final answer
    x = 688,863,108.00

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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.