Finding the Fourth Proportional to 2,390,909,439.24, 3,299,536,781.46 and 1,387,251,224.28
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Solution
The fourth proportional to 2,390,909,439.24, 3,299,536,781.46 and 1,387,251,224.28 is: 1,914,454,125.49
Step by Step Solution
- Step 1: Write the proportion equation
2,390,909,439.24 : 3,299,536,781.46 = 1,387,251,224.28 : x - Step 2: Convert to fraction form
2,390,909,439.24/3,299,536,781.46 = 1,387,251,224.28/x - Step 3: Cross multiply
2,390,909,439.24x = 3,299,536,781.46 × 1,387,251,224.28 - Step 4: Simplify right side
2,390,909,439.24x = 4,577,286,439,637,275,648 - Step 5: Solve for x
x = 4,577,286,439,637,275,648/2,390,909,439.24 - Step 6: Final answer
x = 1,914,454,125.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.