Home / 2,415,908,369.02-3,333,901,275.90-1,398,676,686.78

Finding the Fourth Proportional to 2,415,908,369.02, 3,333,901,275.90 and 1,398,676,686.78

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Solution

The fourth proportional to 2,415,908,369.02, 3,333,901,275.90 and 1,398,676,686.78 is: 1,930,143,564.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,415,908,369.02 : 3,333,901,275.90 = 1,398,676,686.78 : x
  2. Step 2: Convert to fraction form
    2,415,908,369.02/3,333,901,275.90 = 1,398,676,686.78/x
  3. Step 3: Cross multiply
    2,415,908,369.02x = 3,333,901,275.90 × 1,398,676,686.78
  4. Step 4: Simplify right side
    2,415,908,369.02x = 4,663,049,990,627,426,304
  5. Step 5: Solve for x
    x = 4,663,049,990,627,426,304/2,415,908,369.02
  6. Step 6: Final answer
    x = 1,930,143,564.39

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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.