Home / 765,015,000.84-1,055,715,827.94-434,990,169

Finding the Fourth Proportional to 765,015,000.84, 1,055,715,827.94 and 434,990,169

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Solution

The fourth proportional to 765,015,000.84, 1,055,715,827.94 and 434,990,169 is: 600,283,662.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,015,000.84 : 1,055,715,827.94 = 434,990,169 : x
  2. Step 2: Convert to fraction form
    765,015,000.84/1,055,715,827.94 = 434,990,169/x
  3. Step 3: Cross multiply
    765,015,000.84x = 1,055,715,827.94 × 434,990,169
  4. Step 4: Simplify right side
    765,015,000.84x = 459,226,006,411,595,520
  5. Step 5: Solve for x
    x = 459,226,006,411,595,520/765,015,000.84
  6. Step 6: Final answer
    x = 600,283,662.29

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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.