Home / 660,051,910,318.20-990,077,865,477.30-434,108,281,133.40

Finding the Fourth Proportional to 660,051,910,318.20, 990,077,865,477.30 and 434,108,281,133.40

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Solution

The fourth proportional to 660,051,910,318.20, 990,077,865,477.30 and 434,108,281,133.40 is: 651,162,421,700.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,051,910,318.20 : 990,077,865,477.30 = 434,108,281,133.40 : x
  2. Step 2: Convert to fraction form
    660,051,910,318.20/990,077,865,477.30 = 434,108,281,133.40/x
  3. Step 3: Cross multiply
    660,051,910,318.20x = 990,077,865,477.30 × 434,108,281,133.40
  4. Step 4: Simplify right side
    660,051,910,318.20x = 429,801,000,370,576,388,259,840
  5. Step 5: Solve for x
    x = 429,801,000,370,576,388,259,840/660,051,910,318.20
  6. Step 6: Final answer
    x = 651,162,421,700.10

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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.