Home / 717,457,509.60-1,076,186,264.40-656,235,506.40

Finding the Fourth Proportional to 717,457,509.60, 1,076,186,264.40 and 656,235,506.40

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Solution

The fourth proportional to 717,457,509.60, 1,076,186,264.40 and 656,235,506.40 is: 984,353,259.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,457,509.60 : 1,076,186,264.40 = 656,235,506.40 : x
  2. Step 2: Convert to fraction form
    717,457,509.60/1,076,186,264.40 = 656,235,506.40/x
  3. Step 3: Cross multiply
    717,457,509.60x = 1,076,186,264.40 × 656,235,506.40
  4. Step 4: Simplify right side
    717,457,509.60x = 706,231,638,199,258,368
  5. Step 5: Solve for x
    x = 706,231,638,199,258,368/717,457,509.60
  6. Step 6: Final answer
    x = 984,353,259.60

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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.