Home / 977,913,901.80-1,466,366,967.90-364,182,215.40

Finding the Fourth Proportional to 977,913,901.80, 1,466,366,967.90 and 364,182,215.40

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Solution

The fourth proportional to 977,913,901.80, 1,466,366,967.90 and 364,182,215.40 is: 546,085,672.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,913,901.80 : 1,466,366,967.90 = 364,182,215.40 : x
  2. Step 2: Convert to fraction form
    977,913,901.80/1,466,366,967.90 = 364,182,215.40/x
  3. Step 3: Cross multiply
    977,913,901.80x = 1,466,366,967.90 × 364,182,215.40
  4. Step 4: Simplify right side
    977,913,901.80x = 534,024,770,959,202,688
  5. Step 5: Solve for x
    x = 534,024,770,959,202,688/977,913,901.80
  6. Step 6: Final answer
    x = 546,085,672.75

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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.