Finding the Fourth Proportional to 302,291,290.58, 417,116,987.84 and 170,124,404.96
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Solution
The fourth proportional to 302,291,290.58, 417,116,987.84 and 170,124,404.96 is: 234,746,357.47
Step by Step Solution
- Step 1: Write the proportion equation
302,291,290.58 : 417,116,987.84 = 170,124,404.96 : x - Step 2: Convert to fraction form
302,291,290.58/417,116,987.84 = 170,124,404.96/x - Step 3: Cross multiply
302,291,290.58x = 417,116,987.84 × 170,124,404.96 - Step 4: Simplify right side
302,291,290.58x = 70,961,779,356,455,656 - Step 5: Solve for x
x = 70,961,779,356,455,656/302,291,290.58 - Step 6: Final answer
x = 234,746,357.47
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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.