Home / 849,416,337.76-1,272,826,565.04-572,041,927.12

Finding the Fourth Proportional to 849,416,337.76, 1,272,826,565.04 and 572,041,927.12

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Solution

The fourth proportional to 849,416,337.76, 1,272,826,565.04 and 572,041,927.12 is: 857,188,788.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,416,337.76 : 1,272,826,565.04 = 572,041,927.12 : x
  2. Step 2: Convert to fraction form
    849,416,337.76/1,272,826,565.04 = 572,041,927.12/x
  3. Step 3: Cross multiply
    849,416,337.76x = 1,272,826,565.04 × 572,041,927.12
  4. Step 4: Simplify right side
    849,416,337.76x = 728,110,161,155,011,584
  5. Step 5: Solve for x
    x = 728,110,161,155,011,584/849,416,337.76
  6. Step 6: Final answer
    x = 857,188,788.10

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Double scale
Find fourth proportional to 849,416,338.76, 1,272,826,566.54 and 572,041,928.12
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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.