Home / 690,641,103.70-1,034,105,266.95-526,095,012.70

Finding the Fourth Proportional to 690,641,103.70, 1,034,105,266.95 and 526,095,012.70

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Solution

The fourth proportional to 690,641,103.70, 1,034,105,266.95 and 526,095,012.70 is: 787,728,417.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,641,103.70 : 1,034,105,266.95 = 526,095,012.70 : x
  2. Step 2: Convert to fraction form
    690,641,103.70/1,034,105,266.95 = 526,095,012.70/x
  3. Step 3: Cross multiply
    690,641,103.70x = 1,034,105,266.95 × 526,095,012.70
  4. Step 4: Simplify right side
    690,641,103.70x = 544,037,623,549,197,184
  5. Step 5: Solve for x
    x = 544,037,623,549,197,184/690,641,103.70
  6. Step 6: Final answer
    x = 787,728,417.31

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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.