Home / 1,418,314,740.66-2,125,779,509.01-660,118,949.22

Finding the Fourth Proportional to 1,418,314,740.66, 2,125,779,509.01 and 660,118,949.22

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Solution

The fourth proportional to 1,418,314,740.66, 2,125,779,509.01 and 660,118,949.22 is: 989,390,644.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,314,740.66 : 2,125,779,509.01 = 660,118,949.22 : x
  2. Step 2: Convert to fraction form
    1,418,314,740.66/2,125,779,509.01 = 660,118,949.22/x
  3. Step 3: Cross multiply
    1,418,314,740.66x = 2,125,779,509.01 × 660,118,949.22
  4. Step 4: Simplify right side
    1,418,314,740.66x = 1,403,267,335,761,088,768
  5. Step 5: Solve for x
    x = 1,403,267,335,761,088,768/1,418,314,740.66
  6. Step 6: Final answer
    x = 989,390,644.78

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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.