Finding the Fourth Proportional to 4,376,497,727.20, 6,564,746,590.80 and 1,312,878,143.20
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Solution
The fourth proportional to 4,376,497,727.20, 6,564,746,590.80 and 1,312,878,143.20 is: 1,969,317,214.80
Step by Step Solution
- Step 1: Write the proportion equation
4,376,497,727.20 : 6,564,746,590.80 = 1,312,878,143.20 : x - Step 2: Convert to fraction form
4,376,497,727.20/6,564,746,590.80 = 1,312,878,143.20/x - Step 3: Cross multiply
4,376,497,727.20x = 6,564,746,590.80 × 1,312,878,143.20 - Step 4: Simplify right side
4,376,497,727.20x = 8,618,712,314,708,034,560 - Step 5: Solve for x
x = 8,618,712,314,708,034,560/4,376,497,727.20 - Step 6: Final answer
x = 1,969,317,214.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.