Home / 1,076,292,415.40-1,614,438,623.10-258,404,716.40

Finding the Fourth Proportional to 1,076,292,415.40, 1,614,438,623.10 and 258,404,716.40

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Solution

The fourth proportional to 1,076,292,415.40, 1,614,438,623.10 and 258,404,716.40 is: 387,607,074.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,292,415.40 : 1,614,438,623.10 = 258,404,716.40 : x
  2. Step 2: Convert to fraction form
    1,076,292,415.40/1,614,438,623.10 = 258,404,716.40/x
  3. Step 3: Cross multiply
    1,076,292,415.40x = 1,614,438,623.10 × 258,404,716.40
  4. Step 4: Simplify right side
    1,076,292,415.40x = 417,178,554,547,361,984
  5. Step 5: Solve for x
    x = 417,178,554,547,361,984/1,076,292,415.40
  6. Step 6: Final answer
    x = 387,607,074.60

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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.