Home / 783,124,312,595.40-1,080,711,603,350.90-435,887,139,612.93

Finding the Fourth Proportional to 783,124,312,595.40, 1,080,711,603,350.90 and 435,887,139,612.93

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Solution

The fourth proportional to 783,124,312,595.40, 1,080,711,603,350.90 and 435,887,139,612.93 is: 601,524,281,591.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,124,312,595.40 : 1,080,711,603,350.90 = 435,887,139,612.93 : x
  2. Step 2: Convert to fraction form
    783,124,312,595.40/1,080,711,603,350.90 = 435,887,139,612.93/x
  3. Step 3: Cross multiply
    783,124,312,595.40x = 1,080,711,603,350.90 × 435,887,139,612.93
  4. Step 4: Simplify right side
    783,124,312,595.40x = 471,068,289,531,127,147,790,336
  5. Step 5: Solve for x
    x = 471,068,289,531,127,147,790,336/783,124,312,595.40
  6. Step 6: Final answer
    x = 601,524,281,591.94

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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.