Home / 850,697,281.80-1,276,045,922.70-544,335,323.40

Finding the Fourth Proportional to 850,697,281.80, 1,276,045,922.70 and 544,335,323.40

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Solution

The fourth proportional to 850,697,281.80, 1,276,045,922.70 and 544,335,323.40 is: 816,502,985.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,697,281.80 : 1,276,045,922.70 = 544,335,323.40 : x
  2. Step 2: Convert to fraction form
    850,697,281.80/1,276,045,922.70 = 544,335,323.40/x
  3. Step 3: Cross multiply
    850,697,281.80x = 1,276,045,922.70 × 544,335,323.40
  4. Step 4: Simplify right side
    850,697,281.80x = 694,596,870,006,155,904
  5. Step 5: Solve for x
    x = 694,596,870,006,155,904/850,697,281.80
  6. Step 6: Final answer
    x = 816,502,985.10

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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.