Finding the Fourth Proportional to 875,177,187.42, 1,312,768,004.58 and 357,607,628.58
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Solution
The fourth proportional to 875,177,187.42, 1,312,768,004.58 and 357,607,628.58 is: 536,412,351.40
Step by Step Solution
- Step 1: Write the proportion equation
875,177,187.42 : 1,312,768,004.58 = 357,607,628.58 : x - Step 2: Convert to fraction form
875,177,187.42/1,312,768,004.58 = 357,607,628.58/x - Step 3: Cross multiply
875,177,187.42x = 1,312,768,004.58 × 357,607,628.58 - Step 4: Simplify right side
875,177,187.42x = 469,455,852,993,552,320 - Step 5: Solve for x
x = 469,455,852,993,552,320/875,177,187.42 - Step 6: Final answer
x = 536,412,351.40
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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.