Home / 551,004,886.80-760,358,038.68-342,156,549.06

Finding the Fourth Proportional to 551,004,886.80, 760,358,038.68 and 342,156,549.06

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Solution

The fourth proportional to 551,004,886.80, 760,358,038.68 and 342,156,549.06 is: 472,158,212.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,004,886.80 : 760,358,038.68 = 342,156,549.06 : x
  2. Step 2: Convert to fraction form
    551,004,886.80/760,358,038.68 = 342,156,549.06/x
  3. Step 3: Cross multiply
    551,004,886.80x = 760,358,038.68 × 342,156,549.06
  4. Step 4: Simplify right side
    551,004,886.80x = 260,161,482,564,778,784
  5. Step 5: Solve for x
    x = 260,161,482,564,778,784/551,004,886.80
  6. Step 6: Final answer
    x = 472,158,212.74

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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.