Home / 1,370,335,503.17-1,891,014,065.62-775,607,218.52

Finding the Fourth Proportional to 1,370,335,503.17, 1,891,014,065.62 and 775,607,218.52

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Solution

The fourth proportional to 1,370,335,503.17, 1,891,014,065.62 and 775,607,218.52 is: 1,070,310,267.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,335,503.17 : 1,891,014,065.62 = 775,607,218.52 : x
  2. Step 2: Convert to fraction form
    1,370,335,503.17/1,891,014,065.62 = 775,607,218.52/x
  3. Step 3: Cross multiply
    1,370,335,503.17x = 1,891,014,065.62 × 775,607,218.52
  4. Step 4: Simplify right side
    1,370,335,503.17x = 1,466,684,159,609,200,640
  5. Step 5: Solve for x
    x = 1,466,684,159,609,200,640/1,370,335,503.17
  6. Step 6: Final answer
    x = 1,070,310,267.98

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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.