Home / 977,173,217.80-1,465,759,826.70-824,118,209.80

Finding the Fourth Proportional to 977,173,217.80, 1,465,759,826.70 and 824,118,209.80

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Solution

The fourth proportional to 977,173,217.80, 1,465,759,826.70 and 824,118,209.80 is: 1,236,177,314.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,173,217.80 : 1,465,759,826.70 = 824,118,209.80 : x
  2. Step 2: Convert to fraction form
    977,173,217.80/1,465,759,826.70 = 824,118,209.80/x
  3. Step 3: Cross multiply
    977,173,217.80x = 1,465,759,826.70 × 824,118,209.80
  4. Step 4: Simplify right side
    977,173,217.80x = 1,207,959,364,376,762,112
  5. Step 5: Solve for x
    x = 1,207,959,364,376,762,112/977,173,217.80
  6. Step 6: Final answer
    x = 1,236,177,314.70

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1.5x scale

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.