Home / 556,275,752.90-834,413,629.35-405,280,808.90

Finding the Fourth Proportional to 556,275,752.90, 834,413,629.35 and 405,280,808.90

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Solution

The fourth proportional to 556,275,752.90, 834,413,629.35 and 405,280,808.90 is: 607,921,213.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,275,752.90 : 834,413,629.35 = 405,280,808.90 : x
  2. Step 2: Convert to fraction form
    556,275,752.90/834,413,629.35 = 405,280,808.90/x
  3. Step 3: Cross multiply
    556,275,752.90x = 834,413,629.35 × 405,280,808.90
  4. Step 4: Simplify right side
    556,275,752.90x = 338,171,830,660,152,768
  5. Step 5: Solve for x
    x = 338,171,830,660,152,768/556,275,752.90
  6. Step 6: Final answer
    x = 607,921,213.35

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1.5x scale

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.