Home / 959,066,755.12-1,323,498,036.78-535,686,595.02

Finding the Fourth Proportional to 959,066,755.12, 1,323,498,036.78 and 535,686,595.02

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Solution

The fourth proportional to 959,066,755.12, 1,323,498,036.78 and 535,686,595.02 is: 739,239,633.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,066,755.12 : 1,323,498,036.78 = 535,686,595.02 : x
  2. Step 2: Convert to fraction form
    959,066,755.12/1,323,498,036.78 = 535,686,595.02/x
  3. Step 3: Cross multiply
    959,066,755.12x = 1,323,498,036.78 × 535,686,595.02
  4. Step 4: Simplify right side
    959,066,755.12x = 708,980,156,838,332,928
  5. Step 5: Solve for x
    x = 708,980,156,838,332,928/959,066,755.12
  6. Step 6: Final answer
    x = 739,239,633.79

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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.