Home / 657,759,671.04-986,700,155.72-215,104,646.90

Finding the Fourth Proportional to 657,759,671.04, 986,700,155.72 and 215,104,646.90

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Solution

The fourth proportional to 657,759,671.04, 986,700,155.72 and 215,104,646.90 is: 322,676,804.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,759,671.04 : 986,700,155.72 = 215,104,646.90 : x
  2. Step 2: Convert to fraction form
    657,759,671.04/986,700,155.72 = 215,104,646.90/x
  3. Step 3: Cross multiply
    657,759,671.04x = 986,700,155.72 × 215,104,646.90
  4. Step 4: Simplify right side
    657,759,671.04x = 212,243,788,592,325,632
  5. Step 5: Solve for x
    x = 212,243,788,592,325,632/657,759,671.04
  6. Step 6: Final answer
    x = 322,676,804.21

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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.