Home / 1,248,538,411.80-1,872,240,747.30-471,925,963.80

Finding the Fourth Proportional to 1,248,538,411.80, 1,872,240,747.30 and 471,925,963.80

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Solution

The fourth proportional to 1,248,538,411.80, 1,872,240,747.30 and 471,925,963.80 is: 707,674,678.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,538,411.80 : 1,872,240,747.30 = 471,925,963.80 : x
  2. Step 2: Convert to fraction form
    1,248,538,411.80/1,872,240,747.30 = 471,925,963.80/x
  3. Step 3: Cross multiply
    1,248,538,411.80x = 1,872,240,747.30 × 471,925,963.80
  4. Step 4: Simplify right side
    1,248,538,411.80x = 883,559,019,135,184,768
  5. Step 5: Solve for x
    x = 883,559,019,135,184,768/1,248,538,411.80
  6. Step 6: Final answer
    x = 707,674,678.48

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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.