Home / 1,206,425,647.98-1,664,824,931.30-663,262,637.63

Finding the Fourth Proportional to 1,206,425,647.98, 1,664,824,931.30 and 663,262,637.63

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Solution

The fourth proportional to 1,206,425,647.98, 1,664,824,931.30 and 663,262,637.63 is: 915,279,094.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,425,647.98 : 1,664,824,931.30 = 663,262,637.63 : x
  2. Step 2: Convert to fraction form
    1,206,425,647.98/1,664,824,931.30 = 663,262,637.63/x
  3. Step 3: Cross multiply
    1,206,425,647.98x = 1,664,824,931.30 × 663,262,637.63
  4. Step 4: Simplify right side
    1,206,425,647.98x = 1,104,216,175,129,842,688
  5. Step 5: Solve for x
    x = 1,104,216,175,129,842,688/1,206,425,647.98
  6. Step 6: Final answer
    x = 915,279,094.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.