Home / 630,369,740.16-869,901,160.32-348,124,123.44

Finding the Fourth Proportional to 630,369,740.16, 869,901,160.32 and 348,124,123.44

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Solution

The fourth proportional to 630,369,740.16, 869,901,160.32 and 348,124,123.44 is: 480,406,275.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,369,740.16 : 869,901,160.32 = 348,124,123.44 : x
  2. Step 2: Convert to fraction form
    630,369,740.16/869,901,160.32 = 348,124,123.44/x
  3. Step 3: Cross multiply
    630,369,740.16x = 869,901,160.32 × 348,124,123.44
  4. Step 4: Simplify right side
    630,369,740.16x = 302,833,578,915,838,912
  5. Step 5: Solve for x
    x = 302,833,578,915,838,912/630,369,740.16
  6. Step 6: Final answer
    x = 480,406,275.27

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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.