Home / 13,941,671,068.29-19,239,571,227.72-7,920,506,869.81

Finding the Fourth Proportional to 13,941,671,068.29, 19,239,571,227.72 and 7,920,506,869.81

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Solution

The fourth proportional to 13,941,671,068.29, 19,239,571,227.72 and 7,920,506,869.81 is: 10,930,336,495.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941,671,068.29 : 19,239,571,227.72 = 7,920,506,869.81 : x
  2. Step 2: Convert to fraction form
    13,941,671,068.29/19,239,571,227.72 = 7,920,506,869.81/x
  3. Step 3: Cross multiply
    13,941,671,068.29x = 19,239,571,227.72 × 7,920,506,869.81
  4. Step 4: Simplify right side
    13,941,671,068.29x = 152,387,156,081,355,096,064
  5. Step 5: Solve for x
    x = 152,387,156,081,355,096,064/13,941,671,068.29
  6. Step 6: Final answer
    x = 10,930,336,495.17

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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.