Home / 1,379,780,962.29-1,904,088,041.60-753,249,390.21

Finding the Fourth Proportional to 1,379,780,962.29, 1,904,088,041.60 and 753,249,390.21

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Solution

The fourth proportional to 1,379,780,962.29, 1,904,088,041.60 and 753,249,390.21 is: 1,039,478,870.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,780,962.29 : 1,904,088,041.60 = 753,249,390.21 : x
  2. Step 2: Convert to fraction form
    1,379,780,962.29/1,904,088,041.60 = 753,249,390.21/x
  3. Step 3: Cross multiply
    1,379,780,962.29x = 1,904,088,041.60 × 753,249,390.21
  4. Step 4: Simplify right side
    1,379,780,962.29x = 1,434,253,156,237,586,944
  5. Step 5: Solve for x
    x = 1,434,253,156,237,586,944/1,379,780,962.29
  6. Step 6: Final answer
    x = 1,039,478,870.51

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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.