Finding the Fourth Proportional to 749,818,985.76, 1,034,671,425.84 and 415,282,744.44
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Solution
The fourth proportional to 749,818,985.76, 1,034,671,425.84 and 415,282,744.44 is: 573,046,558.54
Step by Step Solution
- Step 1: Write the proportion equation
749,818,985.76 : 1,034,671,425.84 = 415,282,744.44 : x - Step 2: Convert to fraction form
749,818,985.76/1,034,671,425.84 = 415,282,744.44/x - Step 3: Cross multiply
749,818,985.76x = 1,034,671,425.84 × 415,282,744.44 - Step 4: Simplify right side
749,818,985.76x = 429,681,189,316,483,136 - Step 5: Solve for x
x = 429,681,189,316,483,136/749,818,985.76 - Step 6: Final answer
x = 573,046,558.54
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1.5x scale
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.