Finding the Fourth Proportional to 4,719,748,836.39, 6,513,254,031.75 and 2,605,205,179.74
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Solution
The fourth proportional to 4,719,748,836.39, 6,513,254,031.75 and 2,605,205,179.74 is: 3,595,183,499.95
Step by Step Solution
- Step 1: Write the proportion equation
4,719,748,836.39 : 6,513,254,031.75 = 2,605,205,179.74 : x - Step 2: Convert to fraction form
4,719,748,836.39/6,513,254,031.75 = 2,605,205,179.74/x - Step 3: Cross multiply
4,719,748,836.39x = 6,513,254,031.75 × 2,605,205,179.74 - Step 4: Simplify right side
4,719,748,836.39x = 16,968,363,140,506,587,136 - Step 5: Solve for x
x = 16,968,363,140,506,587,136/4,719,748,836.39 - Step 6: Final answer
x = 3,595,183,499.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.