Finding the Fourth Proportional to 689,852,106.10, 1,034,778,159.15 and 689,852,106.10
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Solution
The fourth proportional to 689,852,106.10, 1,034,778,159.15 and 689,852,106.10 is: 1,034,778,159.15
Step by Step Solution
- Step 1: Write the proportion equation
689,852,106.10 : 1,034,778,159.15 = 689,852,106.10 : x - Step 2: Convert to fraction form
689,852,106.10/1,034,778,159.15 = 689,852,106.10/x - Step 3: Cross multiply
689,852,106.10x = 1,034,778,159.15 × 689,852,106.10 - Step 4: Simplify right side
689,852,106.10x = 713,843,892,435,908,480 - Step 5: Solve for x
x = 713,843,892,435,908,480/689,852,106.10 - Step 6: Final answer
x = 1,034,778,159.15
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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.