Home / 530,458,603.96-726,730,880.16-510,577,135.40

Finding the Fourth Proportional to 530,458,603.96, 726,730,880.16 and 510,577,135.40

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Solution

The fourth proportional to 530,458,603.96, 726,730,880.16 and 510,577,135.40 is: 699,493,171.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,458,603.96 : 726,730,880.16 = 510,577,135.40 : x
  2. Step 2: Convert to fraction form
    530,458,603.96/726,730,880.16 = 510,577,135.40/x
  3. Step 3: Cross multiply
    530,458,603.96x = 726,730,880.16 × 510,577,135.40
  4. Step 4: Simplify right side
    530,458,603.96x = 371,052,170,998,813,440
  5. Step 5: Solve for x
    x = 371,052,170,998,813,440/530,458,603.96
  6. Step 6: Final answer
    x = 699,493,171.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.