Home / 1,225,065,821,390.90-1,690,739,079,439.50-697,243,551,624.10

Finding the Fourth Proportional to 1,225,065,821,390.90, 1,690,739,079,439.50 and 697,243,551,624.10

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Solution

The fourth proportional to 1,225,065,821,390.90, 1,690,739,079,439.50 and 697,243,551,624.10 is: 962,280,475,084.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,065,821,390.90 : 1,690,739,079,439.50 = 697,243,551,624.10 : x
  2. Step 2: Convert to fraction form
    1,225,065,821,390.90/1,690,739,079,439.50 = 697,243,551,624.10/x
  3. Step 3: Cross multiply
    1,225,065,821,390.90x = 1,690,739,079,439.50 × 697,243,551,624.10
  4. Step 4: Simplify right side
    1,225,065,821,390.90x = 1,178,856,920,618,058,343,514,112
  5. Step 5: Solve for x
    x = 1,178,856,920,618,058,343,514,112/1,225,065,821,390.90
  6. Step 6: Final answer
    x = 962,280,475,084.70

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Double scale
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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.