Home / 653,236,547.40-979,854,821.10-289,730,903.40

Finding the Fourth Proportional to 653,236,547.40, 979,854,821.10 and 289,730,903.40

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Solution

The fourth proportional to 653,236,547.40, 979,854,821.10 and 289,730,903.40 is: 434,596,355.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,236,547.40 : 979,854,821.10 = 289,730,903.40 : x
  2. Step 2: Convert to fraction form
    653,236,547.40/979,854,821.10 = 289,730,903.40/x
  3. Step 3: Cross multiply
    653,236,547.40x = 979,854,821.10 × 289,730,903.40
  4. Step 4: Simplify right side
    653,236,547.40x = 283,894,222,518,148,352
  5. Step 5: Solve for x
    x = 283,894,222,518,148,352/653,236,547.40
  6. Step 6: Final answer
    x = 434,596,355.10

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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.