Home / 718,092,756.18-1,077,139,429.65-172,834,290.18

Finding the Fourth Proportional to 718,092,756.18, 1,077,139,429.65 and 172,834,290.18

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Solution

The fourth proportional to 718,092,756.18, 1,077,139,429.65 and 172,834,290.18 is: 259,251,506.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,092,756.18 : 1,077,139,429.65 = 172,834,290.18 : x
  2. Step 2: Convert to fraction form
    718,092,756.18/1,077,139,429.65 = 172,834,290.18/x
  3. Step 3: Cross multiply
    718,092,756.18x = 1,077,139,429.65 × 172,834,290.18
  4. Step 4: Simplify right side
    718,092,756.18x = 186,166,628,748,447,808
  5. Step 5: Solve for x
    x = 186,166,628,748,447,808/718,092,756.18
  6. Step 6: Final answer
    x = 259,251,506.36

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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.