Home / 15,784,556,867.32-21,785,495,122.94-9,441,622,528

Finding the Fourth Proportional to 15,784,556,867.32, 21,785,495,122.94 and 9,441,622,528

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Solution

The fourth proportional to 15,784,556,867.32, 21,785,495,122.94 and 9,441,622,528 is: 13,031,117,899.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,784,556,867.32 : 21,785,495,122.94 = 9,441,622,528 : x
  2. Step 2: Convert to fraction form
    15,784,556,867.32/21,785,495,122.94 = 9,441,622,528/x
  3. Step 3: Cross multiply
    15,784,556,867.32x = 21,785,495,122.94 × 9,441,622,528
  4. Step 4: Simplify right side
    15,784,556,867.32x = 205,690,421,536,384,417,792
  5. Step 5: Solve for x
    x = 205,690,421,536,384,417,792/15,784,556,867.32
  6. Step 6: Final answer
    x = 13,031,117,899.94

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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.