Home / 509,047,038,911.48-762,706,484,464.95-307,164,589,666.88

Finding the Fourth Proportional to 509,047,038,911.48, 762,706,484,464.95 and 307,164,589,666.88

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Solution

The fourth proportional to 509,047,038,911.48, 762,706,484,464.95 and 307,164,589,666.88 is: 460,225,492,791.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,047,038,911.48 : 762,706,484,464.95 = 307,164,589,666.88 : x
  2. Step 2: Convert to fraction form
    509,047,038,911.48/762,706,484,464.95 = 307,164,589,666.88/x
  3. Step 3: Cross multiply
    509,047,038,911.48x = 762,706,484,464.95 × 307,164,589,666.88
  4. Step 4: Simplify right side
    509,047,038,911.48x = 234,276,424,336,944,935,206,912
  5. Step 5: Solve for x
    x = 234,276,424,336,944,935,206,912/509,047,038,911.48
  6. Step 6: Final answer
    x = 460,225,492,791.22

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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.