Home / 1,248,109,292.80-1,870,820,246.40-471,454,854.40

Finding the Fourth Proportional to 1,248,109,292.80, 1,870,820,246.40 and 471,454,854.40

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Solution

The fourth proportional to 1,248,109,292.80, 1,870,820,246.40 and 471,454,854.40 is: 706,674,721.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,109,292.80 : 1,870,820,246.40 = 471,454,854.40 : x
  2. Step 2: Convert to fraction form
    1,248,109,292.80/1,870,820,246.40 = 471,454,854.40/x
  3. Step 3: Cross multiply
    1,248,109,292.80x = 1,870,820,246.40 × 471,454,854.40
  4. Step 4: Simplify right side
    1,248,109,292.80x = 882,007,286,875,084,160
  5. Step 5: Solve for x
    x = 882,007,286,875,084,160/1,248,109,292.80
  6. Step 6: Final answer
    x = 706,674,721.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.