Home / 28,875,338,869.48-43,282,438,808.68-9,712,707,928.64

Finding the Fourth Proportional to 28,875,338,869.48, 43,282,438,808.68 and 9,712,707,928.64

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Solution

The fourth proportional to 28,875,338,869.48, 43,282,438,808.68 and 9,712,707,928.64 is: 14,558,779,326.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,875,338,869.48 : 43,282,438,808.68 = 9,712,707,928.64 : x
  2. Step 2: Convert to fraction form
    28,875,338,869.48/43,282,438,808.68 = 9,712,707,928.64/x
  3. Step 3: Cross multiply
    28,875,338,869.48x = 43,282,438,808.68 × 9,712,707,928.64
  4. Step 4: Simplify right side
    28,875,338,869.48x = 420,389,686,587,941,847,040
  5. Step 5: Solve for x
    x = 420,389,686,587,941,847,040/28,875,338,869.48
  6. Step 6: Final answer
    x = 14,558,779,326.82

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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.