Home / 1,078,046,646.80-1,487,708,856.51-583,009,355.30

Finding the Fourth Proportional to 1,078,046,646.80, 1,487,708,856.51 and 583,009,355.30

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Solution

The fourth proportional to 1,078,046,646.80, 1,487,708,856.51 and 583,009,355.30 is: 804,555,335.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,046,646.80 : 1,487,708,856.51 = 583,009,355.30 : x
  2. Step 2: Convert to fraction form
    1,078,046,646.80/1,487,708,856.51 = 583,009,355.30/x
  3. Step 3: Cross multiply
    1,078,046,646.80x = 1,487,708,856.51 × 583,009,355.30
  4. Step 4: Simplify right side
    1,078,046,646.80x = 867,348,181,307,995,264
  5. Step 5: Solve for x
    x = 867,348,181,307,995,264/1,078,046,646.80
  6. Step 6: Final answer
    x = 804,555,335.23

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Double scale
Find fourth proportional to 1,078,046,647.80, 1,487,708,857.89 and 583,009,356.30
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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.