Home / 765,411,567.84-1,055,936,620.08-468,066,808.80

Finding the Fourth Proportional to 765,411,567.84, 1,055,936,620.08 and 468,066,808.80

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Solution

The fourth proportional to 765,411,567.84, 1,055,936,620.08 and 468,066,808.80 is: 645,729,571.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,411,567.84 : 1,055,936,620.08 = 468,066,808.80 : x
  2. Step 2: Convert to fraction form
    765,411,567.84/1,055,936,620.08 = 468,066,808.80/x
  3. Step 3: Cross multiply
    765,411,567.84x = 1,055,936,620.08 × 468,066,808.80
  4. Step 4: Simplify right side
    765,411,567.84x = 494,248,884,055,903,616
  5. Step 5: Solve for x
    x = 494,248,884,055,903,616/765,411,567.84
  6. Step 6: Final answer
    x = 645,729,571.94

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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.