Home / 1,570,312,118.04-2,167,002,609-855,854,106.36

Finding the Fourth Proportional to 1,570,312,118.04, 2,167,002,609 and 855,854,106.36

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Solution

The fourth proportional to 1,570,312,118.04, 2,167,002,609 and 855,854,106.36 is: 1,181,063,344.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570,312,118.04 : 2,167,002,609 = 855,854,106.36 : x
  2. Step 2: Convert to fraction form
    1,570,312,118.04/2,167,002,609 = 855,854,106.36/x
  3. Step 3: Cross multiply
    1,570,312,118.04x = 2,167,002,609 × 855,854,106.36
  4. Step 4: Simplify right side
    1,570,312,118.04x = 1,854,638,081,405,483,520
  5. Step 5: Solve for x
    x = 1,854,638,081,405,483,520/1,570,312,118.04
  6. Step 6: Final answer
    x = 1,181,063,344.10

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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.