Home / 1,212,801,681.06-1,673,671,363.38-655,884,728.19

Finding the Fourth Proportional to 1,212,801,681.06, 1,673,671,363.38 and 655,884,728.19

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Solution

The fourth proportional to 1,212,801,681.06, 1,673,671,363.38 and 655,884,728.19 is: 905,123,652.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,801,681.06 : 1,673,671,363.38 = 655,884,728.19 : x
  2. Step 2: Convert to fraction form
    1,212,801,681.06/1,673,671,363.38 = 655,884,728.19/x
  3. Step 3: Cross multiply
    1,212,801,681.06x = 1,673,671,363.38 × 655,884,728.19
  4. Step 4: Simplify right side
    1,212,801,681.06x = 1,097,735,487,249,878,144
  5. Step 5: Solve for x
    x = 1,097,735,487,249,878,144/1,212,801,681.06
  6. Step 6: Final answer
    x = 905,123,652.44

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Double scale
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1.5x scale

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.