Finding the Fourth Proportional to 7,312,973,238.21, 10,091,904,526.94 and 4,455,115,346.71
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Solution
The fourth proportional to 7,312,973,238.21, 10,091,904,526.94 and 4,455,115,346.71 is: 6,148,060,066.81
Step by Step Solution
- Step 1: Write the proportion equation
7,312,973,238.21 : 10,091,904,526.94 = 4,455,115,346.71 : x - Step 2: Convert to fraction form
7,312,973,238.21/10,091,904,526.94 = 4,455,115,346.71/x - Step 3: Cross multiply
7,312,973,238.21x = 10,091,904,526.94 × 4,455,115,346.71 - Step 4: Simplify right side
7,312,973,238.21x = 44,960,598,735,502,516,224 - Step 5: Solve for x
x = 44,960,598,735,502,516,224/7,312,973,238.21 - Step 6: Final answer
x = 6,148,060,066.81
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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.