Home / 21,363,753,284.64-29,478,081,312.72-12,328,215,095.52

Finding the Fourth Proportional to 21,363,753,284.64, 29,478,081,312.72 and 12,328,215,095.52

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Solution

The fourth proportional to 21,363,753,284.64, 29,478,081,312.72 and 12,328,215,095.52 is: 17,010,687,316.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,363,753,284.64 : 29,478,081,312.72 = 12,328,215,095.52 : x
  2. Step 2: Convert to fraction form
    21,363,753,284.64/29,478,081,312.72 = 12,328,215,095.52/x
  3. Step 3: Cross multiply
    21,363,753,284.64x = 29,478,081,312.72 × 12,328,215,095.52
  4. Step 4: Simplify right side
    21,363,753,284.64x = 363,412,127,026,440,765,440
  5. Step 5: Solve for x
    x = 363,412,127,026,440,765,440/21,363,753,284.64
  6. Step 6: Final answer
    x = 17,010,687,316.25

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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.