Home / 13,308,807,542.34-19,931,520,407.15-7,700,926,189.83

Finding the Fourth Proportional to 13,308,807,542.34, 19,931,520,407.15 and 7,700,926,189.83

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Solution

The fourth proportional to 13,308,807,542.34, 19,931,520,407.15 and 7,700,926,189.83 is: 11,533,051,854.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,308,807,542.34 : 19,931,520,407.15 = 7,700,926,189.83 : x
  2. Step 2: Convert to fraction form
    13,308,807,542.34/19,931,520,407.15 = 7,700,926,189.83/x
  3. Step 3: Cross multiply
    13,308,807,542.34x = 19,931,520,407.15 × 7,700,926,189.83
  4. Step 4: Simplify right side
    13,308,807,542.34x = 153,491,167,506,552,553,472
  5. Step 5: Solve for x
    x = 153,491,167,506,552,553,472/13,308,807,542.34
  6. Step 6: Final answer
    x = 11,533,051,854.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.