Home / 1,144,865,357.22-1,579,952,557.02-636,249,504.06

Finding the Fourth Proportional to 1,144,865,357.22, 1,579,952,557.02 and 636,249,504.06

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Solution

The fourth proportional to 1,144,865,357.22, 1,579,952,557.02 and 636,249,504.06 is: 878,045,636.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,865,357.22 : 1,579,952,557.02 = 636,249,504.06 : x
  2. Step 2: Convert to fraction form
    1,144,865,357.22/1,579,952,557.02 = 636,249,504.06/x
  3. Step 3: Cross multiply
    1,144,865,357.22x = 1,579,952,557.02 × 636,249,504.06
  4. Step 4: Simplify right side
    1,144,865,357.22x = 1,005,244,030,842,303,744
  5. Step 5: Solve for x
    x = 1,005,244,030,842,303,744/1,144,865,357.22
  6. Step 6: Final answer
    x = 878,045,636.11

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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.