Home / 618,098,688,113.20-927,148,032,169.80-518,919,042,929.20

Finding the Fourth Proportional to 618,098,688,113.20, 927,148,032,169.80 and 518,919,042,929.20

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Solution

The fourth proportional to 618,098,688,113.20, 927,148,032,169.80 and 518,919,042,929.20 is: 778,378,564,393.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,098,688,113.20 : 927,148,032,169.80 = 518,919,042,929.20 : x
  2. Step 2: Convert to fraction form
    618,098,688,113.20/927,148,032,169.80 = 518,919,042,929.20/x
  3. Step 3: Cross multiply
    618,098,688,113.20x = 927,148,032,169.80 × 518,919,042,929.20
  4. Step 4: Simplify right side
    618,098,688,113.20x = 481,114,769,507,243,800,920,064
  5. Step 5: Solve for x
    x = 481,114,769,507,243,800,920,064/618,098,688,113.20
  6. Step 6: Final answer
    x = 778,378,564,393.80

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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.