Finding the Fourth Proportional to 960,119,510.60, 1,440,179,265.90 and 944,814,009.80
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Solution
The fourth proportional to 960,119,510.60, 1,440,179,265.90 and 944,814,009.80 is: 1,417,221,014.70
Step by Step Solution
- Step 1: Write the proportion equation
960,119,510.60 : 1,440,179,265.90 = 944,814,009.80 : x - Step 2: Convert to fraction form
960,119,510.60/1,440,179,265.90 = 944,814,009.80/x - Step 3: Cross multiply
960,119,510.60x = 1,440,179,265.90 × 944,814,009.80 - Step 4: Simplify right side
960,119,510.60x = 1,360,701,547,045,799,424 - Step 5: Solve for x
x = 1,360,701,547,045,799,424/960,119,510.60 - Step 6: Final answer
x = 1,417,221,014.70
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Double scale
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Similar ratio
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1.5x scale
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.