Home / 710,134,547.83-980,015,941.09-396,868,752.58

Finding the Fourth Proportional to 710,134,547.83, 980,015,941.09 and 396,868,752.58

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Solution

The fourth proportional to 710,134,547.83, 980,015,941.09 and 396,868,752.58 is: 547,695,792.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,134,547.83 : 980,015,941.09 = 396,868,752.58 : x
  2. Step 2: Convert to fraction form
    710,134,547.83/980,015,941.09 = 396,868,752.58/x
  3. Step 3: Cross multiply
    710,134,547.83x = 980,015,941.09 × 396,868,752.58
  4. Step 4: Simplify right side
    710,134,547.83x = 388,937,704,046,547,392
  5. Step 5: Solve for x
    x = 388,937,704,046,547,392/710,134,547.83
  6. Step 6: Final answer
    x = 547,695,792.63

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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.