Home / 1,159,715,816,856.90-1,600,457,429,994.80-645,881,528,931.36

Finding the Fourth Proportional to 1,159,715,816,856.90, 1,600,457,429,994.80 and 645,881,528,931.36

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Solution

The fourth proportional to 1,159,715,816,856.90, 1,600,457,429,994.80 and 645,881,528,931.36 is: 891,344,135,217.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,715,816,856.90 : 1,600,457,429,994.80 = 645,881,528,931.36 : x
  2. Step 2: Convert to fraction form
    1,159,715,816,856.90/1,600,457,429,994.80 = 645,881,528,931.36/x
  3. Step 3: Cross multiply
    1,159,715,816,856.90x = 1,600,457,429,994.80 × 645,881,528,931.36
  4. Step 4: Simplify right side
    1,159,715,816,856.90x = 1,033,705,891,874,596,456,497,152
  5. Step 5: Solve for x
    x = 1,033,705,891,874,596,456,497,152/1,159,715,816,856.90
  6. Step 6: Final answer
    x = 891,344,135,217.70

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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.