Home / 15,553,876,547.04-21,464,417,268.55-8,417,290,985.72

Finding the Fourth Proportional to 15,553,876,547.04, 21,464,417,268.55 and 8,417,290,985.72

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Solution

The fourth proportional to 15,553,876,547.04, 21,464,417,268.55 and 8,417,290,985.72 is: 11,615,898,161.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,553,876,547.04 : 21,464,417,268.55 = 8,417,290,985.72 : x
  2. Step 2: Convert to fraction form
    15,553,876,547.04/21,464,417,268.55 = 8,417,290,985.72/x
  3. Step 3: Cross multiply
    15,553,876,547.04x = 21,464,417,268.55 × 8,417,290,985.72
  4. Step 4: Simplify right side
    15,553,876,547.04x = 180,672,245,988,298,620,928
  5. Step 5: Solve for x
    x = 180,672,245,988,298,620,928/15,553,876,547.04
  6. Step 6: Final answer
    x = 11,615,898,161.59

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1.5x scale

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.