Home / 930,708,074.07-1,284,376,829.13-513,027,334.53

Finding the Fourth Proportional to 930,708,074.07, 1,284,376,829.13 and 513,027,334.53

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Solution

The fourth proportional to 930,708,074.07, 1,284,376,829.13 and 513,027,334.53 is: 707,977,549.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,708,074.07 : 1,284,376,829.13 = 513,027,334.53 : x
  2. Step 2: Convert to fraction form
    930,708,074.07/1,284,376,829.13 = 513,027,334.53/x
  3. Step 3: Cross multiply
    930,708,074.07x = 1,284,376,829.13 × 513,027,334.53
  4. Step 4: Simplify right side
    930,708,074.07x = 658,920,421,180,657,152
  5. Step 5: Solve for x
    x = 658,920,421,180,657,152/930,708,074.07
  6. Step 6: Final answer
    x = 707,977,549.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.