Home / 410,807,639,810.25-566,679,007,402.56-256,214,927,352.90

Finding the Fourth Proportional to 410,807,639,810.25, 566,679,007,402.56 and 256,214,927,352.90

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Solution

The fourth proportional to 410,807,639,810.25, 566,679,007,402.56 and 256,214,927,352.90 is: 353,429,699,557.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,807,639,810.25 : 566,679,007,402.56 = 256,214,927,352.90 : x
  2. Step 2: Convert to fraction form
    410,807,639,810.25/566,679,007,402.56 = 256,214,927,352.90/x
  3. Step 3: Cross multiply
    410,807,639,810.25x = 566,679,007,402.56 × 256,214,927,352.90
  4. Step 4: Simplify right side
    410,807,639,810.25x = 145,191,620,714,060,408,946,688
  5. Step 5: Solve for x
    x = 145,191,620,714,060,408,946,688/410,807,639,810.25
  6. Step 6: Final answer
    x = 353,429,699,557.50

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1.5x scale

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.