Home / 9,909,547,970.41-13,675,175,434.79-5,393,459,406.61

Finding the Fourth Proportional to 9,909,547,970.41, 13,675,175,434.79 and 5,393,459,406.61

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Solution

The fourth proportional to 9,909,547,970.41, 13,675,175,434.79 and 5,393,459,406.61 is: 7,442,973,565.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,909,547,970.41 : 13,675,175,434.79 = 5,393,459,406.61 : x
  2. Step 2: Convert to fraction form
    9,909,547,970.41/13,675,175,434.79 = 5,393,459,406.61/x
  3. Step 3: Cross multiply
    9,909,547,970.41x = 13,675,175,434.79 × 5,393,459,406.61
  4. Step 4: Simplify right side
    9,909,547,970.41x = 73,756,503,585,810,120,704
  5. Step 5: Solve for x
    x = 73,756,503,585,810,120,704/9,909,547,970.41
  6. Step 6: Final answer
    x = 7,442,973,565.10

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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.