Home / 618,098,688,085.44-927,148,032,128.20-518,919,042,901.46

Finding the Fourth Proportional to 618,098,688,085.44, 927,148,032,128.20 and 518,919,042,901.46

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Solution

The fourth proportional to 618,098,688,085.44, 927,148,032,128.20 and 518,919,042,901.46 is: 778,378,564,352.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,098,688,085.44 : 927,148,032,128.20 = 518,919,042,901.46 : x
  2. Step 2: Convert to fraction form
    618,098,688,085.44/927,148,032,128.20 = 518,919,042,901.46/x
  3. Step 3: Cross multiply
    618,098,688,085.44x = 927,148,032,128.20 × 518,919,042,901.46
  4. Step 4: Simplify right side
    618,098,688,085.44x = 481,114,769,459,937,621,835,776
  5. Step 5: Solve for x
    x = 481,114,769,459,937,621,835,776/618,098,688,085.44
  6. Step 6: Final answer
    x = 778,378,564,352.22

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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.