Home / 8,382,528,938.60-12,572,029,811.10-4,238,076,458.60

Finding the Fourth Proportional to 8,382,528,938.60, 12,572,029,811.10 and 4,238,076,458.60

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Solution

The fourth proportional to 8,382,528,938.60, 12,572,029,811.10 and 4,238,076,458.60 is: 6,356,223,040.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,382,528,938.60 : 12,572,029,811.10 = 4,238,076,458.60 : x
  2. Step 2: Convert to fraction form
    8,382,528,938.60/12,572,029,811.10 = 4,238,076,458.60/x
  3. Step 3: Cross multiply
    8,382,528,938.60x = 12,572,029,811.10 × 4,238,076,458.60
  4. Step 4: Simplify right side
    8,382,528,938.60x = 53,281,223,579,240,316,928
  5. Step 5: Solve for x
    x = 53,281,223,579,240,316,928/8,382,528,938.60
  6. Step 6: Final answer
    x = 6,356,223,040.74

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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.