Home / 1,087,928,678.40-1,501,297,776.64-592,880,757.76

Finding the Fourth Proportional to 1,087,928,678.40, 1,501,297,776.64 and 592,880,757.76

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Solution

The fourth proportional to 1,087,928,678.40, 1,501,297,776.64 and 592,880,757.76 is: 818,151,576.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,928,678.40 : 1,501,297,776.64 = 592,880,757.76 : x
  2. Step 2: Convert to fraction form
    1,087,928,678.40/1,501,297,776.64 = 592,880,757.76/x
  3. Step 3: Cross multiply
    1,087,928,678.40x = 1,501,297,776.64 × 592,880,757.76
  4. Step 4: Simplify right side
    1,087,928,678.40x = 890,090,563,437,726,464
  5. Step 5: Solve for x
    x = 890,090,563,437,726,464/1,087,928,678.40
  6. Step 6: Final answer
    x = 818,151,576.58

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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.