Home / 30,292,137,051.30-45,438,205,576.95-13,762,196,187.30

Finding the Fourth Proportional to 30,292,137,051.30, 45,438,205,576.95 and 13,762,196,187.30

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Solution

The fourth proportional to 30,292,137,051.30, 45,438,205,576.95 and 13,762,196,187.30 is: 20,643,294,280.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,292,137,051.30 : 45,438,205,576.95 = 13,762,196,187.30 : x
  2. Step 2: Convert to fraction form
    30,292,137,051.30/45,438,205,576.95 = 13,762,196,187.30/x
  3. Step 3: Cross multiply
    30,292,137,051.30x = 45,438,205,576.95 × 13,762,196,187.30
  4. Step 4: Simplify right side
    30,292,137,051.30x = 625,329,499,548,854,779,904
  5. Step 5: Solve for x
    x = 625,329,499,548,854,779,904/30,292,137,051.30
  6. Step 6: Final answer
    x = 20,643,294,280.95

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Double scale
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1.5x scale

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.