Home / 797,411,946.52-1,196,112,900.61-429,120,381.07

Finding the Fourth Proportional to 797,411,946.52, 1,196,112,900.61 and 429,120,381.07

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Solution

The fourth proportional to 797,411,946.52, 1,196,112,900.61 and 429,120,381.07 is: 643,677,870.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,411,946.52 : 1,196,112,900.61 = 429,120,381.07 : x
  2. Step 2: Convert to fraction form
    797,411,946.52/1,196,112,900.61 = 429,120,381.07/x
  3. Step 3: Cross multiply
    797,411,946.52x = 1,196,112,900.61 × 429,120,381.07
  4. Step 4: Simplify right side
    797,411,946.52x = 513,276,423,712,506,176
  5. Step 5: Solve for x
    x = 513,276,423,712,506,176/797,411,946.52
  6. Step 6: Final answer
    x = 643,677,870.58

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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.