Home / 1,085,189,691.20-1,627,884,069.60-358,180,001.60

Finding the Fourth Proportional to 1,085,189,691.20, 1,627,884,069.60 and 358,180,001.60

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Solution

The fourth proportional to 1,085,189,691.20, 1,627,884,069.60 and 358,180,001.60 is: 537,302,854.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,189,691.20 : 1,627,884,069.60 = 358,180,001.60 : x
  2. Step 2: Convert to fraction form
    1,085,189,691.20/1,627,884,069.60 = 358,180,001.60/x
  3. Step 3: Cross multiply
    1,085,189,691.20x = 1,627,884,069.60 × 358,180,001.60
  4. Step 4: Simplify right side
    1,085,189,691.20x = 583,075,518,653,942,528
  5. Step 5: Solve for x
    x = 583,075,518,653,942,528/1,085,189,691.20
  6. Step 6: Final answer
    x = 537,302,854.41

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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.