Finding the Fourth Proportional to 1,034,302,756.36, 1,550,545,741.98 and 421,402,479.88
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Solution
The fourth proportional to 1,034,302,756.36, 1,550,545,741.98 and 421,402,479.88 is: 631,733,616.51
Step by Step Solution
- Step 1: Write the proportion equation
1,034,302,756.36 : 1,550,545,741.98 = 421,402,479.88 : x - Step 2: Convert to fraction form
1,034,302,756.36/1,550,545,741.98 = 421,402,479.88/x - Step 3: Cross multiply
1,034,302,756.36x = 1,550,545,741.98 × 421,402,479.88 - Step 4: Simplify right side
1,034,302,756.36x = 653,403,820,837,746,560 - Step 5: Solve for x
x = 653,403,820,837,746,560/1,034,302,756.36 - Step 6: Final answer
x = 631,733,616.51
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.