Home / 1,377,332,203.80-2,065,998,305.70-757,459,421.40

Finding the Fourth Proportional to 1,377,332,203.80, 2,065,998,305.70 and 757,459,421.40

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Solution

The fourth proportional to 1,377,332,203.80, 2,065,998,305.70 and 757,459,421.40 is: 1,136,189,132.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,332,203.80 : 2,065,998,305.70 = 757,459,421.40 : x
  2. Step 2: Convert to fraction form
    1,377,332,203.80/2,065,998,305.70 = 757,459,421.40/x
  3. Step 3: Cross multiply
    1,377,332,203.80x = 2,065,998,305.70 × 757,459,421.40
  4. Step 4: Simplify right side
    1,377,332,203.80x = 1,564,909,881,248,902,400
  5. Step 5: Solve for x
    x = 1,564,909,881,248,902,400/1,377,332,203.80
  6. Step 6: Final answer
    x = 1,136,189,132.10

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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.