Finding the Fourth Proportional to 8,656,038,341.04, 11,939,174,928.84 and 7,943,873,641.28
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Solution
The fourth proportional to 8,656,038,341.04, 11,939,174,928.84 and 7,943,873,641.28 is: 10,956,894,283.40
Step by Step Solution
- Step 1: Write the proportion equation
8,656,038,341.04 : 11,939,174,928.84 = 7,943,873,641.28 : x - Step 2: Convert to fraction form
8,656,038,341.04/11,939,174,928.84 = 7,943,873,641.28/x - Step 3: Cross multiply
8,656,038,341.04x = 11,939,174,928.84 × 7,943,873,641.28 - Step 4: Simplify right side
8,656,038,341.04x = 94,843,297,015,843,094,528 - Step 5: Solve for x
x = 94,843,297,015,843,094,528/8,656,038,341.04 - Step 6: Final answer
x = 10,956,894,283.40
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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.