Home / 1,885,843,411.96-2,829,202,810.29-642,284,649.52

Finding the Fourth Proportional to 1,885,843,411.96, 2,829,202,810.29 and 642,284,649.52

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Solution

The fourth proportional to 1,885,843,411.96, 2,829,202,810.29 and 642,284,649.52 is: 963,576,044.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,885,843,411.96 : 2,829,202,810.29 = 642,284,649.52 : x
  2. Step 2: Convert to fraction form
    1,885,843,411.96/2,829,202,810.29 = 642,284,649.52/x
  3. Step 3: Cross multiply
    1,885,843,411.96x = 2,829,202,810.29 × 642,284,649.52
  4. Step 4: Simplify right side
    1,885,843,411.96x = 1,817,153,535,428,111,616
  5. Step 5: Solve for x
    x = 1,817,153,535,428,111,616/1,885,843,411.96
  6. Step 6: Final answer
    x = 963,576,044.49

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Double scale
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1.5x scale

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.