Finding the Fourth Proportional to 1,062,908,701.80, 1,594,363,052.70 and 917,506,444.20
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Solution
The fourth proportional to 1,062,908,701.80, 1,594,363,052.70 and 917,506,444.20 is: 1,376,259,666.30
Step by Step Solution
- Step 1: Write the proportion equation
1,062,908,701.80 : 1,594,363,052.70 = 917,506,444.20 : x - Step 2: Convert to fraction form
1,062,908,701.80/1,594,363,052.70 = 917,506,444.20/x - Step 3: Cross multiply
1,062,908,701.80x = 1,594,363,052.70 × 917,506,444.20 - Step 4: Simplify right side
1,062,908,701.80x = 1,462,838,375,246,634,240 - Step 5: Solve for x
x = 1,462,838,375,246,634,240/1,062,908,701.80 - Step 6: Final answer
x = 1,376,259,666.30
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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.