Home / 1,443,607,970.55-2,165,065,239.58-666,506,990.49

Finding the Fourth Proportional to 1,443,607,970.55, 2,165,065,239.58 and 666,506,990.49

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Solution

The fourth proportional to 1,443,607,970.55, 2,165,065,239.58 and 666,506,990.49 is: 999,600,408.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,607,970.55 : 2,165,065,239.58 = 666,506,990.49 : x
  2. Step 2: Convert to fraction form
    1,443,607,970.55/2,165,065,239.58 = 666,506,990.49/x
  3. Step 3: Cross multiply
    1,443,607,970.55x = 2,165,065,239.58 × 666,506,990.49
  4. Step 4: Simplify right side
    1,443,607,970.55x = 1,443,031,117,046,976,512
  5. Step 5: Solve for x
    x = 1,443,031,117,046,976,512/1,443,607,970.55
  6. Step 6: Final answer
    x = 999,600,408.48

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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.