Home / 13,153,845,655.34-18,152,663,933.80-7,438,984,677.06

Finding the Fourth Proportional to 13,153,845,655.34, 18,152,663,933.80 and 7,438,984,677.06

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Solution

The fourth proportional to 13,153,845,655.34, 18,152,663,933.80 and 7,438,984,677.06 is: 10,266,000,711.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,153,845,655.34 : 18,152,663,933.80 = 7,438,984,677.06 : x
  2. Step 2: Convert to fraction form
    13,153,845,655.34/18,152,663,933.80 = 7,438,984,677.06/x
  3. Step 3: Cross multiply
    13,153,845,655.34x = 18,152,663,933.80 × 7,438,984,677.06
  4. Step 4: Simplify right side
    13,153,845,655.34x = 135,037,388,851,357,908,992
  5. Step 5: Solve for x
    x = 135,037,388,851,357,908,992/13,153,845,655.34
  6. Step 6: Final answer
    x = 10,266,000,711.10

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Double scale
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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.