Finding the Fourth Proportional to 7,916,312,033.84, 10,928,230,009.80 and 4,574,163,828.08
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Solution
The fourth proportional to 7,916,312,033.84, 10,928,230,009.80 and 4,574,163,828.08 is: 6,314,495,209.65
Step by Step Solution
- Step 1: Write the proportion equation
7,916,312,033.84 : 10,928,230,009.80 = 4,574,163,828.08 : x - Step 2: Convert to fraction form
7,916,312,033.84/10,928,230,009.80 = 4,574,163,828.08/x - Step 3: Cross multiply
7,916,312,033.84x = 10,928,230,009.80 × 4,574,163,828.08 - Step 4: Simplify right side
7,916,312,033.84x = 49,987,514,415,765,495,808 - Step 5: Solve for x
x = 49,987,514,415,765,495,808/7,916,312,033.84 - Step 6: Final answer
x = 6,314,495,209.65
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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.