Home / 1,167,280,854.49-1,610,688,488.20-697,282,405.71

Finding the Fourth Proportional to 1,167,280,854.49, 1,610,688,488.20 and 697,282,405.71

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Solution

The fourth proportional to 1,167,280,854.49, 1,610,688,488.20 and 697,282,405.71 is: 962,154,685.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,280,854.49 : 1,610,688,488.20 = 697,282,405.71 : x
  2. Step 2: Convert to fraction form
    1,167,280,854.49/1,610,688,488.20 = 697,282,405.71/x
  3. Step 3: Cross multiply
    1,167,280,854.49x = 1,610,688,488.20 × 697,282,405.71
  4. Step 4: Simplify right side
    1,167,280,854.49x = 1,123,104,743,901,499,008
  5. Step 5: Solve for x
    x = 1,123,104,743,901,499,008/1,167,280,854.49
  6. Step 6: Final answer
    x = 962,154,685.89

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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.