Home / 1,140,243,966.36-1,710,371,643.84-403,314,550.20

Finding the Fourth Proportional to 1,140,243,966.36, 1,710,371,643.84 and 403,314,550.20

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Solution

The fourth proportional to 1,140,243,966.36, 1,710,371,643.84 and 403,314,550.20 is: 604,973,839.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,243,966.36 : 1,710,371,643.84 = 403,314,550.20 : x
  2. Step 2: Convert to fraction form
    1,140,243,966.36/1,710,371,643.84 = 403,314,550.20/x
  3. Step 3: Cross multiply
    1,140,243,966.36x = 1,710,371,643.84 × 403,314,550.20
  4. Step 4: Simplify right side
    1,140,243,966.36x = 689,817,770,210,164,096
  5. Step 5: Solve for x
    x = 689,817,770,210,164,096/1,140,243,966.36
  6. Step 6: Final answer
    x = 604,973,839.43

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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.