Finding the Fourth Proportional to 875,177,188.42, 1,312,768,006.08 and 357,607,629.58
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Solution
The fourth proportional to 875,177,188.42, 1,312,768,006.08 and 357,607,629.58 is: 536,412,352.90
Step by Step Solution
- Step 1: Write the proportion equation
875,177,188.42 : 1,312,768,006.08 = 357,607,629.58 : x - Step 2: Convert to fraction form
875,177,188.42/1,312,768,006.08 = 357,607,629.58/x - Step 3: Cross multiply
875,177,188.42x = 1,312,768,006.08 × 357,607,629.58 - Step 4: Simplify right side
875,177,188.42x = 469,455,854,842,731,776 - Step 5: Solve for x
x = 469,455,854,842,731,776/875,177,188.42 - Step 6: Final answer
x = 536,412,352.90
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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.