Home / 15,742,998,960.18-21,725,596,674.63-9,399,921,088.02

Finding the Fourth Proportional to 15,742,998,960.18, 21,725,596,674.63 and 9,399,921,088.02

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Solution

The fourth proportional to 15,742,998,960.18, 21,725,596,674.63 and 9,399,921,088.02 is: 12,972,045,215.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,742,998,960.18 : 21,725,596,674.63 = 9,399,921,088.02 : x
  2. Step 2: Convert to fraction form
    15,742,998,960.18/21,725,596,674.63 = 9,399,921,088.02/x
  3. Step 3: Cross multiply
    15,742,998,960.18x = 21,725,596,674.63 × 9,399,921,088.02
  4. Step 4: Simplify right side
    15,742,998,960.18x = 204,218,894,331,671,740,416
  5. Step 5: Solve for x
    x = 204,218,894,331,671,740,416/15,742,998,960.18
  6. Step 6: Final answer
    x = 12,972,045,215.03

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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.