Home / 1,241,146,852.02-1,712,795,854.77-684,249,828.12

Finding the Fourth Proportional to 1,241,146,852.02, 1,712,795,854.77 and 684,249,828.12

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Solution

The fourth proportional to 1,241,146,852.02, 1,712,795,854.77 and 684,249,828.12 is: 944,272,039.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,146,852.02 : 1,712,795,854.77 = 684,249,828.12 : x
  2. Step 2: Convert to fraction form
    1,241,146,852.02/1,712,795,854.77 = 684,249,828.12/x
  3. Step 3: Cross multiply
    1,241,146,852.02x = 1,712,795,854.77 × 684,249,828.12
  4. Step 4: Simplify right side
    1,241,146,852.02x = 1,171,980,269,231,021,056
  5. Step 5: Solve for x
    x = 1,171,980,269,231,021,056/1,241,146,852.02
  6. Step 6: Final answer
    x = 944,272,039.46

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Double scale
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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.