Home / 630,044,059.68-869,460,962.40-347,786,657.28

Finding the Fourth Proportional to 630,044,059.68, 869,460,962.40 and 347,786,657.28

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Solution

The fourth proportional to 630,044,059.68, 869,460,962.40 and 347,786,657.28 is: 479,945,675.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,044,059.68 : 869,460,962.40 = 347,786,657.28 : x
  2. Step 2: Convert to fraction form
    630,044,059.68/869,460,962.40 = 347,786,657.28/x
  3. Step 3: Cross multiply
    630,044,059.68x = 869,460,962.40 × 347,786,657.28
  4. Step 4: Simplify right side
    630,044,059.68x = 302,386,921,748,547,712
  5. Step 5: Solve for x
    x = 302,386,921,748,547,712/630,044,059.68
  6. Step 6: Final answer
    x = 479,945,675.39

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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.