Home / 1,248,109,267.80-1,870,820,208.90-471,454,829.40

Finding the Fourth Proportional to 1,248,109,267.80, 1,870,820,208.90 and 471,454,829.40

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Solution

The fourth proportional to 1,248,109,267.80, 1,870,820,208.90 and 471,454,829.40 is: 706,674,684.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,109,267.80 : 1,870,820,208.90 = 471,454,829.40 : x
  2. Step 2: Convert to fraction form
    1,248,109,267.80/1,870,820,208.90 = 471,454,829.40/x
  3. Step 3: Cross multiply
    1,248,109,267.80x = 1,870,820,208.90 × 471,454,829.40
  4. Step 4: Simplify right side
    1,248,109,267.80x = 882,007,222,425,021,824
  5. Step 5: Solve for x
    x = 882,007,222,425,021,824/1,248,109,267.80
  6. Step 6: Final answer
    x = 706,674,684.00

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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.