Home / 790,896,007.40-1,186,344,011.10-532,235,143.40

Finding the Fourth Proportional to 790,896,007.40, 1,186,344,011.10 and 532,235,143.40

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Solution

The fourth proportional to 790,896,007.40, 1,186,344,011.10 and 532,235,143.40 is: 798,352,715.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,896,007.40 : 1,186,344,011.10 = 532,235,143.40 : x
  2. Step 2: Convert to fraction form
    790,896,007.40/1,186,344,011.10 = 532,235,143.40/x
  3. Step 3: Cross multiply
    790,896,007.40x = 1,186,344,011.10 × 532,235,143.40
  4. Step 4: Simplify right side
    790,896,007.40x = 631,413,974,869,539,584
  5. Step 5: Solve for x
    x = 631,413,974,869,539,584/790,896,007.40
  6. Step 6: Final answer
    x = 798,352,715.10

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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.