Home / 30,406,986,999.93-45,636,739,000.01-21,097,272,649.26

Finding the Fourth Proportional to 30,406,986,999.93, 45,636,739,000.01 and 21,097,272,649.26

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Solution

The fourth proportional to 30,406,986,999.93, 45,636,739,000.01 and 21,097,272,649.26 is: 31,664,127,902.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,406,986,999.93 : 45,636,739,000.01 = 21,097,272,649.26 : x
  2. Step 2: Convert to fraction form
    30,406,986,999.93/45,636,739,000.01 = 21,097,272,649.26/x
  3. Step 3: Cross multiply
    30,406,986,999.93x = 45,636,739,000.01 × 21,097,272,649.26
  4. Step 4: Simplify right side
    30,406,986,999.93x = 962,810,725,506,222,522,368
  5. Step 5: Solve for x
    x = 962,810,725,506,222,522,368/30,406,986,999.93
  6. Step 6: Final answer
    x = 31,664,127,902.86

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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.