Home / 838,692,752.62-1,157,399,506.31-462,341,080.74

Finding the Fourth Proportional to 838,692,752.62, 1,157,399,506.31 and 462,341,080.74

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Solution

The fourth proportional to 838,692,752.62, 1,157,399,506.31 and 462,341,080.74 is: 638,032,625.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,692,752.62 : 1,157,399,506.31 = 462,341,080.74 : x
  2. Step 2: Convert to fraction form
    838,692,752.62/1,157,399,506.31 = 462,341,080.74/x
  3. Step 3: Cross multiply
    838,692,752.62x = 1,157,399,506.31 × 462,341,080.74
  4. Step 4: Simplify right side
    838,692,752.62x = 535,113,338,595,307,840
  5. Step 5: Solve for x
    x = 535,113,338,595,307,840/838,692,752.62
  6. Step 6: Final answer
    x = 638,032,625.09

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Double scale
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1.5x scale

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.