Home / 10,779,689,971.80-14,854,781,689.20-8,242,246,973.16

Finding the Fourth Proportional to 10,779,689,971.80, 14,854,781,689.20 and 8,242,246,973.16

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Solution

The fourth proportional to 10,779,689,971.80, 14,854,781,689.20 and 8,242,246,973.16 is: 11,358,098,399.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779,689,971.80 : 14,854,781,689.20 = 8,242,246,973.16 : x
  2. Step 2: Convert to fraction form
    10,779,689,971.80/14,854,781,689.20 = 8,242,246,973.16/x
  3. Step 3: Cross multiply
    10,779,689,971.80x = 14,854,781,689.20 × 8,242,246,973.16
  4. Step 4: Simplify right side
    10,779,689,971.80x = 122,436,779,414,761,291,776
  5. Step 5: Solve for x
    x = 122,436,779,414,761,291,776/10,779,689,971.80
  6. Step 6: Final answer
    x = 11,358,098,399.40

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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.