Finding the Fourth Proportional to 828,803,368.35, 1,143,742,829.94 and 452,459,956.08
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Solution
The fourth proportional to 828,803,368.35, 1,143,742,829.94 and 452,459,956.08 is: 624,391,563.03
Step by Step Solution
- Step 1: Write the proportion equation
828,803,368.35 : 1,143,742,829.94 = 452,459,956.08 : x - Step 2: Convert to fraction form
828,803,368.35/1,143,742,829.94 = 452,459,956.08/x - Step 3: Cross multiply
828,803,368.35x = 1,143,742,829.94 × 452,459,956.08 - Step 4: Simplify right side
828,803,368.35x = 517,497,830,605,756,352 - Step 5: Solve for x
x = 517,497,830,605,756,352/828,803,368.35 - Step 6: Final answer
x = 624,391,563.03
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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.