Home / 618,098,688,082.45-927,148,032,123.67-518,919,042,898.45

Finding the Fourth Proportional to 618,098,688,082.45, 927,148,032,123.67 and 518,919,042,898.45

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Solution

The fourth proportional to 618,098,688,082.45, 927,148,032,123.67 and 518,919,042,898.45 is: 778,378,564,347.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,098,688,082.45 : 927,148,032,123.67 = 518,919,042,898.45 : x
  2. Step 2: Convert to fraction form
    618,098,688,082.45/927,148,032,123.67 = 518,919,042,898.45/x
  3. Step 3: Cross multiply
    618,098,688,082.45x = 927,148,032,123.67 × 518,919,042,898.45
  4. Step 4: Simplify right side
    618,098,688,082.45x = 481,114,769,454,796,277,547,008
  5. Step 5: Solve for x
    x = 481,114,769,454,796,277,547,008/618,098,688,082.45
  6. Step 6: Final answer
    x = 778,378,564,347.67

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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.