Home / 21,248,312,483.91-29,312,080,240.32-12,668,688,236.10

Finding the Fourth Proportional to 21,248,312,483.91, 29,312,080,240.32 and 12,668,688,236.10

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Solution

The fourth proportional to 21,248,312,483.91, 29,312,080,240.32 and 12,668,688,236.10 is: 17,476,475,197.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,248,312,483.91 : 29,312,080,240.32 = 12,668,688,236.10 : x
  2. Step 2: Convert to fraction form
    21,248,312,483.91/29,312,080,240.32 = 12,668,688,236.10/x
  3. Step 3: Cross multiply
    21,248,312,483.91x = 29,312,080,240.32 × 12,668,688,236.10
  4. Step 4: Simplify right side
    21,248,312,483.91x = 371,345,606,116,161,224,704
  5. Step 5: Solve for x
    x = 371,345,606,116,161,224,704/21,248,312,483.91
  6. Step 6: Final answer
    x = 17,476,475,197.61

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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.