Home / 1,248,109,268.80-1,870,820,210.40-471,454,830.40

Finding the Fourth Proportional to 1,248,109,268.80, 1,870,820,210.40 and 471,454,830.40

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Solution

The fourth proportional to 1,248,109,268.80, 1,870,820,210.40 and 471,454,830.40 is: 706,674,685.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,109,268.80 : 1,870,820,210.40 = 471,454,830.40 : x
  2. Step 2: Convert to fraction form
    1,248,109,268.80/1,870,820,210.40 = 471,454,830.40/x
  3. Step 3: Cross multiply
    1,248,109,268.80x = 1,870,820,210.40 × 471,454,830.40
  4. Step 4: Simplify right side
    1,248,109,268.80x = 882,007,225,003,024,256
  5. Step 5: Solve for x
    x = 882,007,225,003,024,256/1,248,109,268.80
  6. Step 6: Final answer
    x = 706,674,685.50

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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.