Finding the Fourth Proportional to 552,340,742.58, 762,248,033.10 and 314,179,776.12
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Solution
The fourth proportional to 552,340,742.58, 762,248,033.10 and 314,179,776.12 is: 433,578,220.70
Step by Step Solution
- Step 1: Write the proportion equation
552,340,742.58 : 762,248,033.10 = 314,179,776.12 : x - Step 2: Convert to fraction form
552,340,742.58/762,248,033.10 = 314,179,776.12/x - Step 3: Cross multiply
552,340,742.58x = 762,248,033.10 × 314,179,776.12 - Step 4: Simplify right side
552,340,742.58x = 239,482,916,387,268,352 - Step 5: Solve for x
x = 239,482,916,387,268,352/552,340,742.58 - Step 6: Final answer
x = 433,578,220.70
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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.