Home / 586,281,442.04-808,620,068.88-398,254,712.80

Finding the Fourth Proportional to 586,281,442.04, 808,620,068.88 and 398,254,712.80

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Solution

The fourth proportional to 586,281,442.04, 808,620,068.88 and 398,254,712.80 is: 549,286,963.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,281,442.04 : 808,620,068.88 = 398,254,712.80 : x
  2. Step 2: Convert to fraction form
    586,281,442.04/808,620,068.88 = 398,254,712.80/x
  3. Step 3: Cross multiply
    586,281,442.04x = 808,620,068.88 × 398,254,712.80
  4. Step 4: Simplify right side
    586,281,442.04x = 322,036,753,296,120,640
  5. Step 5: Solve for x
    x = 322,036,753,296,120,640/586,281,442.04
  6. Step 6: Final answer
    x = 549,286,963.91

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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.