Home / 920,295,864.47-1,270,039,632.71-544,274,784.92

Finding the Fourth Proportional to 920,295,864.47, 1,270,039,632.71 and 544,274,784.92

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Solution

The fourth proportional to 920,295,864.47, 1,270,039,632.71 and 544,274,784.92 is: 751,117,737.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,295,864.47 : 1,270,039,632.71 = 544,274,784.92 : x
  2. Step 2: Convert to fraction form
    920,295,864.47/1,270,039,632.71 = 544,274,784.92/x
  3. Step 3: Cross multiply
    920,295,864.47x = 1,270,039,632.71 × 544,274,784.92
  4. Step 4: Simplify right side
    920,295,864.47x = 691,250,547,933,111,040
  5. Step 5: Solve for x
    x = 691,250,547,933,111,040/920,295,864.47
  6. Step 6: Final answer
    x = 751,117,737.91

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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.