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Finding the Fourth Proportional to 1,249,448,542.07, 1,873,795,482.70 and 375,817,994.15

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Solution

The fourth proportional to 1,249,448,542.07, 1,873,795,482.70 and 375,817,994.15 is: 563,613,495.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,448,542.07 : 1,873,795,482.70 = 375,817,994.15 : x
  2. Step 2: Convert to fraction form
    1,249,448,542.07/1,873,795,482.70 = 375,817,994.15/x
  3. Step 3: Cross multiply
    1,249,448,542.07x = 1,873,795,482.70 × 375,817,994.15
  4. Step 4: Simplify right side
    1,249,448,542.07x = 704,206,059,745,336,448
  5. Step 5: Solve for x
    x = 704,206,059,745,336,448/1,249,448,542.07
  6. Step 6: Final answer
    x = 563,613,495.10

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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.