Home / 523,664,547.50-785,688,356.20-243,678,994.95

Finding the Fourth Proportional to 523,664,547.50, 785,688,356.20 and 243,678,994.95

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Solution

The fourth proportional to 523,664,547.50, 785,688,356.20 and 243,678,994.95 is: 365,607,620.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,664,547.50 : 785,688,356.20 = 243,678,994.95 : x
  2. Step 2: Convert to fraction form
    523,664,547.50/785,688,356.20 = 243,678,994.95/x
  3. Step 3: Cross multiply
    523,664,547.50x = 785,688,356.20 × 243,678,994.95
  4. Step 4: Simplify right side
    523,664,547.50x = 191,455,748,985,528,864
  5. Step 5: Solve for x
    x = 191,455,748,985,528,864/523,664,547.50
  6. Step 6: Final answer
    x = 365,607,620.18

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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.