Home / 1,368,818,867.04-1,888,970,536.98-742,287,126.48

Finding the Fourth Proportional to 1,368,818,867.04, 1,888,970,536.98 and 742,287,126.48

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Solution

The fourth proportional to 1,368,818,867.04, 1,888,970,536.98 and 742,287,126.48 is: 1,024,356,505.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,818,867.04 : 1,888,970,536.98 = 742,287,126.48 : x
  2. Step 2: Convert to fraction form
    1,368,818,867.04/1,888,970,536.98 = 742,287,126.48/x
  3. Step 3: Cross multiply
    1,368,818,867.04x = 1,888,970,536.98 × 742,287,126.48
  4. Step 4: Simplify right side
    1,368,818,867.04x = 1,402,158,511,900,266,752
  5. Step 5: Solve for x
    x = 1,402,158,511,900,266,752/1,368,818,867.04
  6. Step 6: Final answer
    x = 1,024,356,505.94

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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.