Home / 1,078,046,648.30-1,487,708,858.58-583,009,356.80

Finding the Fourth Proportional to 1,078,046,648.30, 1,487,708,858.58 and 583,009,356.80

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Solution

The fourth proportional to 1,078,046,648.30, 1,487,708,858.58 and 583,009,356.80 is: 804,555,337.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,046,648.30 : 1,487,708,858.58 = 583,009,356.80 : x
  2. Step 2: Convert to fraction form
    1,078,046,648.30/1,487,708,858.58 = 583,009,356.80/x
  3. Step 3: Cross multiply
    1,078,046,648.30x = 1,487,708,858.58 × 583,009,356.80
  4. Step 4: Simplify right side
    1,078,046,648.30x = 867,348,184,746,387,840
  5. Step 5: Solve for x
    x = 867,348,184,746,387,840/1,078,046,648.30
  6. Step 6: Final answer
    x = 804,555,337.30

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Double scale
Find fourth proportional to 1,078,046,649.30, 1,487,708,859.96 and 583,009,357.80
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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.