Home / 738,138,555,235.10-1,112,740,332,832.90-688,934,034,426.40

Finding the Fourth Proportional to 738,138,555,235.10, 1,112,740,332,832.90 and 688,934,034,426.40

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Solution

The fourth proportional to 738,138,555,235.10, 1,112,740,332,832.90 and 688,934,034,426.40 is: 1,038,564,753,636.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,138,555,235.10 : 1,112,740,332,832.90 = 688,934,034,426.40 : x
  2. Step 2: Convert to fraction form
    738,138,555,235.10/1,112,740,332,832.90 = 688,934,034,426.40/x
  3. Step 3: Cross multiply
    738,138,555,235.10x = 1,112,740,332,832.90 × 688,934,034,426.40
  4. Step 4: Simplify right side
    738,138,555,235.10x = 766,604,686,767,544,904,712,192
  5. Step 5: Solve for x
    x = 766,604,686,767,544,904,712,192/738,138,555,235.10
  6. Step 6: Final answer
    x = 1,038,564,753,636.77

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.