Home / 28,937,948,103.51-43,392,018,068.46-12,988,611,607.22

Finding the Fourth Proportional to 28,937,948,103.51, 43,392,018,068.46 and 12,988,611,607.22

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Solution

The fourth proportional to 28,937,948,103.51, 43,392,018,068.46 and 12,988,611,607.22 is: 19,476,227,807.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,937,948,103.51 : 43,392,018,068.46 = 12,988,611,607.22 : x
  2. Step 2: Convert to fraction form
    28,937,948,103.51/43,392,018,068.46 = 12,988,611,607.22/x
  3. Step 3: Cross multiply
    28,937,948,103.51x = 43,392,018,068.46 × 12,988,611,607.22
  4. Step 4: Simplify right side
    28,937,948,103.51x = 563,602,069,544,482,570,240
  5. Step 5: Solve for x
    x = 563,602,069,544,482,570,240/28,937,948,103.51
  6. Step 6: Final answer
    x = 19,476,227,807.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.