Home / 716,417,070.80-1,074,625,606.20-262,488,520.40

Finding the Fourth Proportional to 716,417,070.80, 1,074,625,606.20 and 262,488,520.40

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Solution

The fourth proportional to 716,417,070.80, 1,074,625,606.20 and 262,488,520.40 is: 393,732,780.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,417,070.80 : 1,074,625,606.20 = 262,488,520.40 : x
  2. Step 2: Convert to fraction form
    716,417,070.80/1,074,625,606.20 = 262,488,520.40/x
  3. Step 3: Cross multiply
    716,417,070.80x = 1,074,625,606.20 × 262,488,520.40
  4. Step 4: Simplify right side
    716,417,070.80x = 282,076,885,355,391,072
  5. Step 5: Solve for x
    x = 282,076,885,355,391,072/716,417,070.80
  6. Step 6: Final answer
    x = 393,732,780.60

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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.