Home / 920,295,567.68-1,270,039,223.43-544,274,488.13

Finding the Fourth Proportional to 920,295,567.68, 1,270,039,223.43 and 544,274,488.13

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Solution

The fourth proportional to 920,295,567.68, 1,270,039,223.43 and 544,274,488.13 is: 751,117,328.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,295,567.68 : 1,270,039,223.43 = 544,274,488.13 : x
  2. Step 2: Convert to fraction form
    920,295,567.68/1,270,039,223.43 = 544,274,488.13/x
  3. Step 3: Cross multiply
    920,295,567.68x = 1,270,039,223.43 × 544,274,488.13
  4. Step 4: Simplify right side
    920,295,567.68x = 691,249,948,231,035,776
  5. Step 5: Solve for x
    x = 691,249,948,231,035,776/920,295,567.68
  6. Step 6: Final answer
    x = 751,117,328.51

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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.