Home / 1,140,243,731.86-1,710,371,292.77-403,314,315.48

Finding the Fourth Proportional to 1,140,243,731.86, 1,710,371,292.77 and 403,314,315.48

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Solution

The fourth proportional to 1,140,243,731.86, 1,710,371,292.77 and 403,314,315.48 is: 604,973,487.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,243,731.86 : 1,710,371,292.77 = 403,314,315.48 : x
  2. Step 2: Convert to fraction form
    1,140,243,731.86/1,710,371,292.77 = 403,314,315.48/x
  3. Step 3: Cross multiply
    1,140,243,731.86x = 1,710,371,292.77 × 403,314,315.48
  4. Step 4: Simplify right side
    1,140,243,731.86x = 689,817,227,161,183,616
  5. Step 5: Solve for x
    x = 689,817,227,161,183,616/1,140,243,731.86
  6. Step 6: Final answer
    x = 604,973,487.59

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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.