Home / 1,417,699,587.90-2,123,148,159.45-689,837,994.30

Finding the Fourth Proportional to 1,417,699,587.90, 2,123,148,159.45 and 689,837,994.30

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Solution

The fourth proportional to 1,417,699,587.90, 2,123,148,159.45 and 689,837,994.30 is: 1,033,101,991.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,699,587.90 : 2,123,148,159.45 = 689,837,994.30 : x
  2. Step 2: Convert to fraction form
    1,417,699,587.90/2,123,148,159.45 = 689,837,994.30/x
  3. Step 3: Cross multiply
    1,417,699,587.90x = 2,123,148,159.45 × 689,837,994.30
  4. Step 4: Simplify right side
    1,417,699,587.90x = 1,464,628,267,916,724,480
  5. Step 5: Solve for x
    x = 1,464,628,267,916,724,480/1,417,699,587.90
  6. Step 6: Final answer
    x = 1,033,101,991.72

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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.