Finding the Fourth Proportional to 817,753,669.20, 1,226,630,503.80 and 495,267,397.20
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Solution
The fourth proportional to 817,753,669.20, 1,226,630,503.80 and 495,267,397.20 is: 742,901,095.80
Step by Step Solution
- Step 1: Write the proportion equation
817,753,669.20 : 1,226,630,503.80 = 495,267,397.20 : x - Step 2: Convert to fraction form
817,753,669.20/1,226,630,503.80 = 495,267,397.20/x - Step 3: Cross multiply
817,753,669.20x = 1,226,630,503.80 × 495,267,397.20 - Step 4: Simplify right side
817,753,669.20x = 607,510,096,943,150,720 - Step 5: Solve for x
x = 607,510,096,943,150,720/817,753,669.20 - Step 6: Final answer
x = 742,901,095.80
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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.