Finding the Fourth Proportional to 553,604,214.08, 763,949,622.48 and 302,703,875.84
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Solution
The fourth proportional to 553,604,214.08, 763,949,622.48 and 302,703,875.84 is: 417,718,120.26
Step by Step Solution
- Step 1: Write the proportion equation
553,604,214.08 : 763,949,622.48 = 302,703,875.84 : x - Step 2: Convert to fraction form
553,604,214.08/763,949,622.48 = 302,703,875.84/x - Step 3: Cross multiply
553,604,214.08x = 763,949,622.48 × 302,703,875.84 - Step 4: Simplify right side
553,604,214.08x = 231,250,511,671,200,768 - Step 5: Solve for x
x = 231,250,511,671,200,768/553,604,214.08 - Step 6: Final answer
x = 417,718,120.26
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.