Home / 618,098,688,086.95-927,148,032,130.40-518,919,042,902.95

Finding the Fourth Proportional to 618,098,688,086.95, 927,148,032,130.40 and 518,919,042,902.95

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Solution

The fourth proportional to 618,098,688,086.95, 927,148,032,130.40 and 518,919,042,902.95 is: 778,378,564,354.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,098,688,086.95 : 927,148,032,130.40 = 518,919,042,902.95 : x
  2. Step 2: Convert to fraction form
    618,098,688,086.95/927,148,032,130.40 = 518,919,042,902.95/x
  3. Step 3: Cross multiply
    618,098,688,086.95x = 927,148,032,130.40 × 518,919,042,902.95
  4. Step 4: Simplify right side
    618,098,688,086.95x = 481,114,769,462,460,713,795,584
  5. Step 5: Solve for x
    x = 481,114,769,462,460,713,795,584/618,098,688,086.95
  6. Step 6: Final answer
    x = 778,378,564,354.40

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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.