Home / 15,429,239,327,438-21,290,966,328,073-8,933,798,384,685.40

Finding the Fourth Proportional to 15,429,239,327,438, 21,290,966,328,073 and 8,933,798,384,685.40

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Solution

The fourth proportional to 15,429,239,327,438, 21,290,966,328,073 and 8,933,798,384,685.40 is: 12,327,840,443,299.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,429,239,327,438 : 21,290,966,328,073 = 8,933,798,384,685.40 : x
  2. Step 2: Convert to fraction form
    15,429,239,327,438/21,290,966,328,073 = 8,933,798,384,685.40/x
  3. Step 3: Cross multiply
    15,429,239,327,438x = 21,290,966,328,073 × 8,933,798,384,685.40
  4. Step 4: Simplify right side
    15,429,239,327,438x = 190,209,200,590,129,833,535,602,688
  5. Step 5: Solve for x
    x = 190,209,200,590,129,833,535,602,688/15,429,239,327,438
  6. Step 6: Final answer
    x = 12,327,840,443,299.01

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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.