Home / 988,690,263.15-1,483,035,394.73-553,333,795.95

Finding the Fourth Proportional to 988,690,263.15, 1,483,035,394.73 and 553,333,795.95

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Solution

The fourth proportional to 988,690,263.15, 1,483,035,394.73 and 553,333,795.95 is: 830,000,693.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,690,263.15 : 1,483,035,394.73 = 553,333,795.95 : x
  2. Step 2: Convert to fraction form
    988,690,263.15/1,483,035,394.73 = 553,333,795.95/x
  3. Step 3: Cross multiply
    988,690,263.15x = 1,483,035,394.73 × 553,333,795.95
  4. Step 4: Simplify right side
    988,690,263.15x = 820,613,604,491,390,848
  5. Step 5: Solve for x
    x = 820,613,604,491,390,848/988,690,263.15
  6. Step 6: Final answer
    x = 830,000,693.93

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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.