Home / 863,411,311.07-1,191,511,199.14-466,934,300.61

Finding the Fourth Proportional to 863,411,311.07, 1,191,511,199.14 and 466,934,300.61

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Solution

The fourth proportional to 863,411,311.07, 1,191,511,199.14 and 466,934,300.61 is: 644,371,276.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,411,311.07 : 1,191,511,199.14 = 466,934,300.61 : x
  2. Step 2: Convert to fraction form
    863,411,311.07/1,191,511,199.14 = 466,934,300.61/x
  3. Step 3: Cross multiply
    863,411,311.07x = 1,191,511,199.14 × 466,934,300.61
  4. Step 4: Simplify right side
    863,411,311.07x = 556,357,448,439,740,416
  5. Step 5: Solve for x
    x = 556,357,448,439,740,416/863,411,311.07
  6. Step 6: Final answer
    x = 644,371,276.25

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Double scale
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1.5x scale

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.