Home / 927,148,032,206.30-1,390,722,048,309.40-778,378,564,430.30

Finding the Fourth Proportional to 927,148,032,206.30, 1,390,722,048,309.40 and 778,378,564,430.30

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Solution

The fourth proportional to 927,148,032,206.30, 1,390,722,048,309.40 and 778,378,564,430.30 is: 1,167,567,846,645.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,148,032,206.30 : 1,390,722,048,309.40 = 778,378,564,430.30 : x
  2. Step 2: Convert to fraction form
    927,148,032,206.30/1,390,722,048,309.40 = 778,378,564,430.30/x
  3. Step 3: Cross multiply
    927,148,032,206.30x = 1,390,722,048,309.40 × 778,378,564,430.30
  4. Step 4: Simplify right side
    927,148,032,206.30x = 1,082,508,231,484,637,100,113,920
  5. Step 5: Solve for x
    x = 1,082,508,231,484,637,100,113,920/927,148,032,206.30
  6. Step 6: Final answer
    x = 1,167,567,846,645.41

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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.