Finding the Fourth Proportional to 3,925,742,889.60, 5,881,447,972.80 and 2,392,141,507.20
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Solution
The fourth proportional to 3,925,742,889.60, 5,881,447,972.80 and 2,392,141,507.20 is: 3,583,845,456.47
Step by Step Solution
- Step 1: Write the proportion equation
3,925,742,889.60 : 5,881,447,972.80 = 2,392,141,507.20 : x - Step 2: Convert to fraction form
3,925,742,889.60/5,881,447,972.80 = 2,392,141,507.20/x - Step 3: Cross multiply
3,925,742,889.60x = 5,881,447,972.80 × 2,392,141,507.20 - Step 4: Simplify right side
3,925,742,889.60x = 14,069,255,818,172,176,384 - Step 5: Solve for x
x = 14,069,255,818,172,176,384/3,925,742,889.60 - Step 6: Final answer
x = 3,583,845,456.47
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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.