Home / 908,075,497.84-1,253,144,179.64-490,387,746.24

Finding the Fourth Proportional to 908,075,497.84, 1,253,144,179.64 and 490,387,746.24

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Solution

The fourth proportional to 908,075,497.84, 1,253,144,179.64 and 490,387,746.24 is: 676,735,085.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,075,497.84 : 1,253,144,179.64 = 490,387,746.24 : x
  2. Step 2: Convert to fraction form
    908,075,497.84/1,253,144,179.64 = 490,387,746.24/x
  3. Step 3: Cross multiply
    908,075,497.84x = 1,253,144,179.64 × 490,387,746.24
  4. Step 4: Simplify right side
    908,075,497.84x = 614,526,549,958,715,648
  5. Step 5: Solve for x
    x = 614,526,549,958,715,648/908,075,497.84
  6. Step 6: Final answer
    x = 676,735,085.82

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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.