Home / 908,075,497.34-1,253,144,178.95-490,387,745.74

Finding the Fourth Proportional to 908,075,497.34, 1,253,144,178.95 and 490,387,745.74

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Solution

The fourth proportional to 908,075,497.34, 1,253,144,178.95 and 490,387,745.74 is: 676,735,085.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,075,497.34 : 1,253,144,178.95 = 490,387,745.74 : x
  2. Step 2: Convert to fraction form
    908,075,497.34/1,253,144,178.95 = 490,387,745.74/x
  3. Step 3: Cross multiply
    908,075,497.34x = 1,253,144,178.95 × 490,387,745.74
  4. Step 4: Simplify right side
    908,075,497.34x = 614,526,548,993,776,000
  5. Step 5: Solve for x
    x = 614,526,548,993,776,000/908,075,497.34
  6. Step 6: Final answer
    x = 676,735,085.13

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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.